[go: up one dir, main page]

WO2018141309A1 - Procédé, dispositif associé et système de transmission de signal - Google Patents

Procédé, dispositif associé et système de transmission de signal Download PDF

Info

Publication number
WO2018141309A1
WO2018141309A1 PCT/CN2018/075455 CN2018075455W WO2018141309A1 WO 2018141309 A1 WO2018141309 A1 WO 2018141309A1 CN 2018075455 W CN2018075455 W CN 2018075455W WO 2018141309 A1 WO2018141309 A1 WO 2018141309A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
transport block
terminal device
coding
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/075455
Other languages
English (en)
Chinese (zh)
Inventor
张磊
吕永霞
马蕊香
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201710685928.1A external-priority patent/CN108400857B/zh
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2018141309A1 publication Critical patent/WO2018141309A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a signal sending method, related device, and system.
  • the fifth-generation mobile communication technology (English: 5th-Generation, 5G for short) needs to support various services, such as Enhanced Mobile Broadband (eMBB) services, extremely high reliability and low latency communication (Ultra-reliable/ Low latency communication (URLLC) service, Massive machine-type communication (Massive MTC) service, etc., wherein eMBB service has higher requirements on transmission rate, signal coverage, transmission delay, mobility, etc.; URLLC service Reliability, mobility, and transmission delay are extremely high; Massive MTC services require a high number of connections per unit area (connection density) and signal coverage.
  • eMBB Enhanced Mobile Broadband
  • URLLC ultra-reliable/ Low latency communication
  • MassiveMBB service has higher requirements on transmission rate, signal coverage, transmission delay, mobility, etc.
  • URLLC service Reliability, mobility, and transmission delay are extremely high
  • Massive MTC services require a high number of connections per unit area (connection density) and signal coverage.
  • the URLLC service has a significantly higher latency requirement than the eMBB service.
  • the scheduling time unit of the URLLC service needs to be significantly smaller than the scheduling time unit (and/or transmission duration) of the eMBB service.
  • a network device referred to as a related device on the network side, for example, a base station gNB of 5G, a base station eNB of 4G, etc.
  • an eMBB terminal device may be allocated to an eMBB terminal device (refer to a related device on the user side, for example, a user device (User The time-frequency resources of Equipment, UE) are re-allocated to the URLLC service to ensure the extremely high latency of the URLLC.
  • UE User The time-frequency resources of Equipment
  • the time-frequency resources allocated by the URLLC service to the eMBB terminal device may affect the transmission of the eMBB terminal device, for example, reducing the reliability of the eMBB transmission, and how to utilize the resource occupation to satisfy the URLLC service requirement while reducing the reliability of the data transmission of the encroached eMBB terminal device.
  • the impact of sex is an urgent problem to be solved.
  • Embodiments of the present invention provide a signal transmission method, related device, and system, which can provide accuracy of signal decoding.
  • an embodiment of the present invention provides a signal sending method, where the method includes: the network device sends a transport block TB to the terminal device, where the transport block is the Nth transmitted transport block and the transport block includes at least one coded block. CB; the network device sends control information to the terminal device, where the control information includes identification information indicating a coding block in the at least one coding block, the control information is used to indicate that the terminal device discards the Part or all of a signal indicating that the terminal device receives the second signal, the second signal is used by the terminal device to decode the coding block indicated by the identification information, and the discarded first signal is not used for the terminal device Decoding the coded block indicated by the identifier information, the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time, and the second signal is the Mth time received by the terminal device
  • the received signal corresponding to the coded block indicated by the identification information, M and N are both positive integers and
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • the method further includes:
  • the network device determines, as the target coding block, a coding block that satisfies a preset condition in the at least one coding block, where the identification information is used to indicate the target coding block.
  • the preset condition includes at least one of: the affected time-frequency resource in the used time-frequency resource The proportion occupied reaches a preset threshold; the used MCS scheme belongs to the preset MCS scheme; the used RV sequence number is equal to the preset RV sequence number.
  • an embodiment of the present invention provides a signal receiving method, where the method includes: receiving, by a terminal device, a transport block TB sent by a network device, where the transport block is a transport block sent by the network device for the Nth time, and the transport block includes at least a coding block CB; the terminal device receives control information sent by the network device, the control information includes identification information indicating a coding block in the at least one coding block; and the terminal device discards the received information according to the indication of the control information Part or all of the first signal and receiving the second signal; the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time, and the second signal is the terminal device M received the received signal corresponding to the coded block indicated by the identification information, M and N are both positive integers and M is greater than N; the terminal device decodes the coded block indicated by the identification information according to the second signal, not based on The discarded first signal decodes the coded
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • an embodiment of the present invention provides a network device, where the network device includes a first sending unit and a second sending unit, where: the first sending unit is configured to send a transport block TB to the terminal device, where the transport block is a transmission block transmitted N times and the transmission block includes at least one coding block CB; the second transmission unit is configured to send control information to the terminal device, the control information including an identifier for indicating a coding block in the at least one coding block Information, the control information is used to indicate that the terminal device discards part or all of the first signal received by the terminal device, and indicates that the terminal device receives the second signal, where the second signal is used by the terminal device for the identifier information
  • the coded block is decoded, and the discarded first signal is not used by the terminal device to decode the coded block indicated by the identifier information, where the first signal is the code indicated by the identifier information received by the terminal device at the Nth time. a received signal corresponding to the block, where the second signal is
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coding block, And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • the network device further includes: a determining unit: a determining unit, configured to: after the first sending unit sends the transport block TB to the terminal device, the second Before the sending unit sends the control information to the terminal device, the coding block that satisfies the preset condition in the at least one coding block is determined as the target coding block, and the identification information is used to indicate the target coding block.
  • a determining unit a determining unit, configured to: after the first sending unit sends the transport block TB to the terminal device, the second Before the sending unit sends the control information to the terminal device, the coding block that satisfies the preset condition in the at least one coding block is determined as the target coding block, and the identification information is used to indicate the target coding block.
  • the preset condition includes at least one of the following: the affected time-frequency resource in the used time-frequency resource The proportion occupied reaches a preset threshold; the used MCS scheme belongs to the preset MCS scheme; the used RV sequence number is equal to the preset RV sequence number.
  • an embodiment of the present invention provides a terminal device, where the terminal device includes a first receiving unit, a second receiving unit, a processing unit, and a decoding unit, where: the first receiving unit is configured to receive a transmission sent by the network device.
  • the transport block is a transport block sent by the network device for the Nth time, and the transport block includes at least one coded block CB
  • the second receiving unit is configured to receive control information sent by the network device, where the control information is included for And indicating, by the processing unit, the partial or all signals in the received first signal and receiving the second signal according to the indication of the control information
  • the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time
  • the second signal being a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Mth time, M and N a positive integer and M is greater than N
  • the decoding unit is configured to decode the coded block indicated by the identifier information according to the second signal, and not according to the discarded first signal Coding block decoding of the identification information indicates.
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coding block, And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • an embodiment of the present invention provides a network device, where the network device includes a processor, a memory, and a transceiver, where the processor is configured to store a program and data, and the processor executes a program in the memory to perform the following operations. :
  • the control device transmitting control information to the terminal device, the control information comprising And identifier information for indicating the coding block in the at least one coding block, the control information is used to indicate that the terminal device discards part or all of the first signal received by the terminal device and instructs the terminal device to receive the second signal
  • the second signal is used by the terminal device to decode the coding block indicated by the identification information, and the discarded first signal is not used by the terminal device to decode the coding block indicated by the identification information, where the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time, the second signal being a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Mth time, M and N Is a positive integer and M is greater than N.
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • the processor after the processor sends the transmission block TB to the terminal device by using the transceiver, the processor sends the control information to the terminal device by using the transceiver And the processor is further configured to determine, as the target coding block, a coding block that satisfies a preset condition in the at least one coding block, where the identification information is used to indicate the target coding block.
  • the preset condition includes at least one of the following: the affected time-frequency resource in the used time-frequency resource The proportion occupied reaches a preset threshold; the used MCS scheme belongs to the preset MCS scheme; the used RV sequence number is equal to the preset RV sequence number.
  • an embodiment of the present invention provides a terminal device, where the terminal device includes a processor, a memory, and a transceiver, where the memory is used to store programs and data, and the processor calls a program in the memory to perform the following operations. :
  • the transport block is a transport block sent by the network device for the Nth time, and the transport block includes at least one coding block CB; and receiving, by the transceiver, control information sent by the network device And the control information includes identification information indicating a coding block in the at least one coding block; discarding part or all of the received first signal according to the indication of the control information and receiving the second signal; the first signal And a received signal corresponding to the coded block indicated by the identifier information received by the terminal device for the Nth time, the second signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Mth time, M and N is a positive integer and M is greater than N; the coding block indicated by the identification information is decoded according to the second signal, and the coding block indicated by the identification information is not decoded according to the discarded first signal.
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • each of the partial bits in the identification information indicates one of the coding blocks;
  • each bit in the identification information indicates one of the coded blocks;
  • at least one bit in the identification information is used to indicate a plurality of the coded blocks.
  • the transport block includes at least a first transport block and a second transport block, and the identifier information is used to indicate the first code block to enable the terminal device to determine according to a predefined rule.
  • the content defined by the predefined rule includes: if the time-frequency resource used by the first coding block and the time-frequency resource used by the second coding block are at the same position of different time-frequency resource layers, or if the first coding block The time-frequency resource used has an overlapping portion with the time-frequency resource used by the second coding block but is at a different time-frequency resource layer, and when the terminal device receives the identification information indicating the first coding block, the terminal device The first coded block and the second coded block may be determined according to the identification information.
  • the first coding block sent by the network device at the Nth time uses a coding rate that is greater than the coding rate used by the second coding block sent by the Nth time.
  • the modulation coding order adopted by the first coding block sent by the network device at the Nth time is greater than the modulation mapping order used by the second coding block sent by the Nth time, or the first transmission of the network device by the Nth time
  • the coding rate used by the coding block is greater than the coding rate used by the second coding block sent by the Nth time
  • the first coding block sent by the network device at the Nth time uses a modulation mapping order greater than the Nth transmission.
  • the modulation mapping order used by the two coding blocks is greater than the coding rate used by the second coding block sent by the Nth time.
  • control information defines a field for indicating a redundancy version for indicating a redundancy version. The field is also used to carry the identification information.
  • the control information predefining a field for indicating a coded modulation scheme or a modulation scheme, for indicating A field of the coded modulation scheme or modulation scheme is also used to carry the identification information.
  • an embodiment of the present invention provides a storage medium for storing instructions that, when executed on a computer, perform the method described in the first aspect or any possible implementation of the first aspect.
  • the embodiment of the present invention provides a storage medium for storing an instruction, when the instruction is executed on a computer, performing the method described in the second aspect or any possible implementation manner of the second aspect.
  • the embodiment of the present invention provides a communication system, where the network system includes a network device and a terminal device, where the network device is the network device described in the third aspect, or any possible implementation manner of the third aspect.
  • the network device is the network device described in the third aspect, or any possible implementation manner of the third aspect.
  • the terminal device is the terminal device described in the fourth aspect, or any of the fourth aspects.
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first corresponding to the affected coding block. Transmitting, and instructing the terminal device to receive the second signal corresponding to the affected coded block, and respondingly, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the The two signals decode the affected coded block without decoding from the discarded first signal, making the decoded result more accurate.
  • the affected coding block ie, the target coding block
  • the tenth aspect of the present invention provides a method for indicating control information, including:
  • the network device sends the first control information to the terminal device; the terminal device receives the first control information sent by the network device, where the first control information is used to indicate that the terminal device receives the transport block sent by the network device, and the transport block includes at least a third Transport block.
  • the first control information may include at least two dedicated control field groups, and one of the at least two dedicated control field groups corresponds to the third transport block. Further, the first control information may include first indication information, where the first indication information is used to indicate that the third transport block is a retransmission, and the first control information is further used to indicate whether the received signal in the previous transmission block is Includes signals that are not used for decoding of the transport block. That is, the network device may send the first control information to the terminal device to indicate whether the scheduled transmission block is the initial transmission and whether the received signal before the transmission block includes a signal not used for the transmission block decoding.
  • the first control information may further include second indication information, where the second indication information is used to indicate whether a signal not used for the transmission block decoding is included in a received signal before the transport block; or The first control information may implicitly indicate whether a signal not used for the decoding of the transport block is included in the received signal before the transport block.
  • the terminal device may discard the transport block according to the first control information.
  • the previous received signal is not used for the signal decoded by the transport block.
  • the second indication information may only indicate whether a signal not used for transport block decoding is included
  • the first control information may further include at least one data indication information, where the data indication information is used to indicate the Which of the received signals before the transport block are signals that need to be discarded (ie, which signals are affected signals), for example, the data indication information may be Coding Block (abbreviation: CB) indication information and/or coding block group ( CB Group, abbreviated as: CBG) indicates information, specifically indicating the CB corresponding to the signal to be discarded, and/or CBG.
  • CB Coding Block
  • CBG coding block group
  • the second indication information may indicate whether a signal not used for transport block decoding is included, and if included, the second indication information may further indicate a signal to be discarded in the received signal before the transport block, such as which CB and / or the signal corresponding to the CBG needs to be discarded.
  • each transport block may correspond to one data indication information.
  • the first control information may also include only one data indication information, where the data indication information corresponds to one transport block, for example, corresponding to the third transport block, the terminal device may determine other signals according to the need of the third transport block to be discarded. The signal that the transport block needs to discard.
  • the second indication information itself indicates (or the second indication information and the CBG indication information together indicate), among the received signals before the transmission block, which CB and/or CBG corresponding received signals are signals to be discarded
  • the two indication information may directly indicate at least two transport blocks in the transport block, that is, which CB and/or CBG corresponding received signals in the received signal before the at least two transport blocks are to be discarded.
  • the second indication information may be carried in a dedicated control field group in the at least one dedicated control field group, so that the false detection probability can be reduced.
  • the dedicated control field group corresponding to the third transport block and the dedicated control field group carrying the second indication information may be the same or different.
  • the terminal device may discard the signal not used for decoding the third transport block in the received signal before the third transport block according to the second indication information.
  • the first control information may indicate before the third transport block is received. Signals not used for decoding of the third transport block are not included in the signal.
  • the transport block may further include a fourth transport block, one of the at least two dedicated control field groups corresponding to the fourth transport block, and the fourth transport block corresponding to the dedicated The control field group is different from the dedicated control field group that carries the second indication information.
  • the first control information may further include third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission.
  • the second indication information may be used to indicate whether the received signal before the fourth transport block includes not used in the fourth The signal decoded by the transport block.
  • the first control information is further used to indicate a first hybrid automatic repeat request (English: Hybrid Automatic Repeat-request, abbreviated: HARQ) process index corresponding to the transport block.
  • HARQ Hybrid Automatic Repeat-request
  • the second indication information indicates that the received signal before the transport block includes not used in the fourth
  • the second indication information may indicate that the received signal before the fourth transport block includes a signal that is not used for the fourth transport block decoding.
  • the terminal device may further discard the signal not used for the decoding of the fourth transport block in the received signal before the fourth transport block according to the second indication information.
  • the terminal device may further discard, according to the second indication information, a signal that is not used for decoding the third transport block in the received signal before the third transport block; and the terminal device may The second indication information and the signal not used for decoding the third transport block are not used in the received signal before the fourth transport block is discarded at the time-frequency resource position in the previous transmission corresponding to the first HARQ process index.
  • the signal decoded by the four transport blocks may be performed according to the second indication information, a signal that is not used for decoding the third transport block in the received signal before the third transport block; and the terminal device may The second indication information and the signal not used for decoding the third transport block are not used in the received signal before the fourth transport block is discarded at the time-frequency resource position in the previous transmission corresponding to the first HARQ process index.
  • the second indication information may be carried in a control field of the first control information except the at least two dedicated control field groups, where the second indication information is used to indicate the at least two dedicated It is controlled whether a signal not used for decoding of the transport block is included in the received signal before all the transport blocks corresponding to the field group.
  • the terminal device may discard the third according to the first control information.
  • the received signal before the transport block is not used for the signal decoded by the third transport block.
  • the first control information may also be used to indicate a first HARQ process index corresponding to the transport block. Further, the terminal device discards the signal that is not used for decoding the third transport block in the received signal before the third transport block according to the first control information, and may specifically be: when the third transport block is in the first When the previous transmission corresponding to the HARQ process index is scheduled by the network device, and the first control information indicates that the received signal before the transport block includes a signal that is not used for the decoding of the transport block, the terminal device is configured according to the first control. The information discards a signal that is not used for decoding of the third transport block in the received signal before the third transport block.
  • the transport block may further include a fourth transport block; the first control information may further include third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a heavy pass.
  • the first control information may be used to indicate a first HARQ process index corresponding to the transport block
  • the third indication information indicates that the fourth transport block is a retransmission.
  • the third transport block and the fourth transport block are scheduled by the network device in a previous transmission corresponding to the first HARQ process index, and the modulation and coding scheme of the third transport block in the previous transmission
  • the index is greater than or equal to the modulation coding scheme index of the fourth transport block, or the modulation order of the third transport block is greater than or equal to the modulation order of the fourth transport block, or the coding rate of the third transport block is greater than Or equal to the encoding rate of the fourth transport block.
  • the terminal device may discard the third transport block according to the first control information. a signal that is not used for decoding of the third transport block in the received signal; and the time-frequency of the terminal device in the previous transmission according to the first control information and the signal not used for decoding the third transport block.
  • the resource location discards a signal that is not used for decoding of the fourth transport block in the received signal before the fourth transport block.
  • the dedicated control field group corresponding to the third transport block may be the same as the dedicated control field group corresponding to the second indication information, and the second indication information may be used to indicate before the third transport block. Whether a signal not used for decoding of the third transport block is included in the received signal.
  • the terminal device may use the second indication information according to the second indication information. A signal that is not used for decoding of the third transport block in the received signal before the third transport block is discarded.
  • the transport block may further include a fourth transport block, and one of the at least two dedicated control field groups corresponds to the fourth transport block.
  • the first control information further includes third indication information indicating that the fourth transport block is a retransmission, and fourth indication information, where the fourth indication information is used to indicate before the fourth transport block. Whether a signal not used for decoding the fourth transport block is included in the received signal, and the fourth indication information is carried in a dedicated control field group corresponding to the fourth transport block.
  • the terminal device may use the fourth indication information according to the fourth indication information.
  • a signal that is not used for decoding of the fourth transport block in the received signal before the fourth transport block is discarded.
  • an embodiment of the present invention further provides a terminal device, where the terminal device has a function of implementing behavior of the terminal device in the foregoing method example.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units or modules corresponding to the functions described above.
  • a processing unit and a communication unit may be included in the structure of the terminal device, the processing unit being configured to support the terminal device to perform a corresponding function in the above method.
  • the communication unit is used to support communication between the terminal device and other devices.
  • the terminal device may further comprise a storage unit for coupling with the processing unit, which stores program instructions and data necessary for the terminal device.
  • the processing unit can be a processor
  • the communication unit can be a transceiver
  • the storage unit can be a memory.
  • an embodiment of the present invention provides a network device, where the network device has a function of implementing network device behavior in the foregoing method example.
  • the functions may be implemented by hardware or by corresponding software implemented by hardware.
  • the hardware or software includes one or more units or modules corresponding to the functions described above.
  • the structure of the network device includes a processing unit and a communication unit, the processing unit being configured to support the network device to perform a corresponding function in the above method.
  • the communication unit is for supporting communication between a network device and other devices.
  • the network device can also include a storage unit for coupling with the processing unit that holds program instructions and data necessary for the network device.
  • the processing unit can be a processor
  • the communication unit can be a transceiver
  • the storage unit can be a memory.
  • an embodiment of the present invention provides a communication system, where the system includes the terminal device and/or the network device of the foregoing aspect.
  • the system may further include other devices in the solution provided by the embodiment of the present invention to interact with the terminal device or the network device.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions for use in the terminal device, including a program designed to perform the above aspects.
  • an embodiment of the present invention provides a computer storage medium for storing computer software instructions for use in the network device, including a program designed to perform the above aspects.
  • the present application also provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the methods described in the various aspects above.
  • the present application provides a chip system including a processor for supporting a terminal device to implement the functions involved in the above aspects, such as, for example, generating or processing data involved in the above method and/or Or information.
  • the chip system further comprises a memory for storing necessary program instructions and data of the terminal device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the present application provides a chip system including a processor for supporting a network device to implement the functions involved in the above aspects, for example, receiving or processing data and/or data involved in the above method. Or information.
  • the chip system further includes a memory for storing necessary program instructions and data of the network device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the network device may send the first control information to the terminal device to indicate whether the scheduled transmission block is the initial transmission and indicates the received signal before the transmission block. Whether the signal not used for the decoding of the transport block is included, so that the terminal device can determine whether the received signal before the transport block has an affected signal according to the indication of the first control information, and then discard the affected in time when present The signal, which helps to improve the reliability of the received signal and avoid the problem of unreliable signal reception caused by resource preemption.
  • FIG. 1 is a schematic structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a signal sending method according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a scenario of a multi-transport block according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of still another network device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of still another terminal device according to an embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of a communication system according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a service preemption time-frequency resource according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram of interaction of a method for indicating control information according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of a scenario of transport block scheduling according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram of another scenario of transport block scheduling according to an embodiment of the present invention.
  • FIG. 13 is a schematic diagram of another scenario of transport block scheduling according to an embodiment of the present invention.
  • FIG. 14 is a schematic diagram of a scenario for determining an affected signal in a transport block according to an embodiment of the present invention.
  • FIG. 15 is a schematic diagram of another scenario of transport block scheduling according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic diagram of another scenario of transport block scheduling according to an embodiment of the present invention.
  • FIG. 17 is a schematic structural diagram of a terminal device according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of another terminal device according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic structural diagram of still another terminal device according to an embodiment of the present disclosure.
  • FIG. 20 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 21 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 22 is a schematic structural diagram of still another network device according to an embodiment of the present invention.
  • the URLLC service has significantly lower latency than other services, such as eMBB services.
  • the scheduling time unit of the URLLC service needs to be significantly smaller than the scheduling time unit (and/or transmission duration) of other services.
  • the network device can re-allocate the time-frequency resources that have been allocated to the service terminal device to the URLLC service, thereby ensuring the extremely high requirement of the URLLC for the delay. Such redistribution may have at least two effects on the data transmission of other service terminal devices.
  • other service terminal equipment may process the information of the URLLC terminal device as its own information in the demodulation and decoding process; second, the information that the other service terminal device actually receives is less than the network device originally planned to send to Your own information.
  • the signal transceiving method provided by the embodiment of the present invention aims to solve the technical problem of improving the reliability of data transmission of other service terminal devices in which resources are occupied.
  • part of the transmission signal is subjected to interference greater than the interference received by other transmission signals in the transmission, and may be expressed as the received signal to noise ratio of the part of the signal compared with the received signal to noise ratio of other signals in the transmission. low.
  • the portion receiving the transmission signal with a low signal to noise ratio may result in a decrease in transmission reliability of the entire received signal.
  • the network device supports other forward-compatible functions (for example, the network device measures signals of other network devices or other terminal devices, or services emergency services), while part of the data transmission is used.
  • the transmission signal of the data is stopped on the frequency resource.
  • the absence of a portion of the signal in the received signal of the terminal device may result in a decrease in the reliability of the data transmission.
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and a computing device can be a component.
  • One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • next-generation communication system such as 5G communication system.
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • Embodiments of the present invention describe various embodiments in conjunction with a transmitting device and a receiving device, wherein:
  • a terminal device may also be referred to as a User Equipment ("UE"), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the terminal device may be a site (STAION, referred to as "ST") in a Wireless Local Area Networks (“WLAN”), and may be a cellular phone, a cordless phone, or a Session Initiation Protocol ("SIP").
  • STAION Wireless Local Area Networks
  • SIP Session Initiation Protocol
  • PDA Personal Digital Assistant
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • handheld device with wireless communication function computing device or other connected to wireless modem Processing devices, in-vehicle devices, wearable devices, and next-generation communication systems, for example, terminal devices in a fifth-generation (5G) network or a public land mobile network (Public Land Mobile Network) Referred to as "PLMN" for short, etc. in the network.
  • 5G fifth-generation
  • PLMN Public Land Mobile Network
  • the terminal device may also be a wearable device.
  • a wearable device which can also be called a wearable smart device, is a general term for applying wearable technology to intelligently design and wear wearable devices such as glasses, gloves, watches, clothing, and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are more than just a hardware device, but they also implement powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-size, non-reliable smartphones for full or partial functions, such as smart watches or smart glasses, and focus on only one type of application, and need to work with other devices such as smartphones. Use, such as various smart bracelets for smart signs monitoring, smart jewelry, etc.
  • the network device may be a device for communicating with the mobile device, such as a network device, and the network device may be an access point (APCESS POINT, AP) in the WLAN, or a base station (Base Transceiver Station, "BTS”) in GSM or CDMA. It may also be a base station (NodeB, referred to as "NB") in WCDMA, or an evolved base station (Evolutional Node B, "eNB” or “eNodeB”) in LTE, or a relay station or an access point, or an in-vehicle device. , wearable devices, and network devices in the future 5G network (g Node B, referred to as “gNB” or “gNodeB”) or network devices in the future evolved PLMN network.
  • the network device provides a service for the cell
  • the terminal device communicates with the network device by using a transmission resource (for example, a frequency domain resource, or a spectrum resource) used by the cell
  • a transmission resource for example, a frequency domain resource, or a spectrum resource
  • the cell may be a network device.
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell, where the small cell may include: a metro cell, a micro cell, and a pico cell. (Pico cell), femto cell, etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • multiple carriers can work at the same frequency on the carrier in the LTE system or the 5G system.
  • the concept of the carrier and the cell can be considered to be equivalent.
  • CA carrier aggregation
  • the carrier index of the secondary carrier and the cell identifier (Cell ID) of the secondary cell working in the secondary carrier are simultaneously carried.
  • the carrier can be considered to be equivalent to the concept of the cell, for example, the terminal device accessing one carrier and accessing one cell are equivalent.
  • the method and apparatus provided by the embodiments of the present invention may be applied to a terminal device or a network device, where the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • the hardware layer includes hardware such as a central processing unit (“CPU"), a memory management unit (MMU), and a memory (also referred to as main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through a process, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer includes applications such as browsers, contacts, word processing software, and instant messaging software.
  • the specific structure of the execution subject of the method of transmitting control information is not particularly limited as long as the program capable of running the code of the method of transmitting the control information of the embodiment of the present invention can be executed.
  • the method for transmitting the control information according to the embodiment of the present invention may be a terminal device or a network device, or may be a terminal device or a network device. Call the program and execute the function module of the program.
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), an optical disk (eg, a compact disc (“CD”), a digital versatile disc (Digital Versatile Disc) , referred to as "DVD”), etc., smart cards and flash memory devices (for example, Erasable Programmable Read-Only Memory (“EPROM”), cards, sticks or key drivers, etc.).
  • EPROM Erasable Programmable Read-Only Memory
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
  • the communication system 100 includes a network device 102, which may include one antenna or multiple antennas such as antennas 104, 106, 108, 110, 112, and 114. Additionally, network device 102 may additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer) , demodulator, demultiplexer or antenna, etc.).
  • a network device 102 may include one antenna or multiple antennas such as antennas 104, 106, 108, 110, 112, and 114.
  • network device 102 may additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer) , demodulator, demultiplexer or antenna, etc.).
  • Network device 102 can communicate with a plurality of terminal devices, such as terminal device 116 and terminal device 122. However, it will be appreciated that network device 102 can communicate with any number of terminal devices similar to terminal device 116 or terminal device 122.
  • Terminal devices 116 and 122 may be, for example, cellular telephones, smart phones, portable computers, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable for communicating over wireless communication system 100. device.
  • terminal device 116 is in communication with antennas 112 and 114, wherein antennas 112 and 114 transmit information to terminal device 116 over a forward link (also referred to as downlink) 118 and through the reverse link (also Information referred to as uplink 120 receives information from terminal device 116.
  • terminal device 122 is in communication with antennas 104 and 106, wherein antennas 104 and 106 transmit information to terminal device 122 over forward link 124 and receive information from terminal device 122 over reverse link 126.
  • the forward link 118 can use a different frequency band than the reverse link 120, and the forward link 124 can be used with the reverse link. 126 uses a different frequency band.
  • FDD Frequency Division Duplex
  • the forward link 118 and the reverse link 120 can use a common frequency band, and the forward link 124 A common frequency band can be used with the reverse link 126.
  • Each antenna (or set of antennas consisting of multiple antennas) and/or regions designed for communication is referred to as a sector of network device 102.
  • the antenna group can be designed to communicate with terminal devices in sectors of the network device 102 coverage area.
  • the network device can transmit signals to all of the terminal devices in its corresponding sector through a single antenna or multiple antenna transmit diversity.
  • the transmit antenna of network device 102 may also utilize beamforming to improve the signal to noise ratio of forward links 118 and 124.
  • the network device 102 utilizes beamforming to transmit signals to the randomly dispersed terminal devices 116 and 122 in the associated coverage area, as compared to the manner in which the network device transmits signals to all of its terminal devices through single antenna or multi-antenna transmit diversity, Mobile devices in neighboring cells are subject to less interference.
  • network device 102, terminal device 116, or terminal device 122 may be a wireless communication transmitting device and/or a wireless communication receiving device.
  • the wireless communication transmitting device can encode the data for transmission.
  • the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device.
  • Such data bits may be included in a transport block (or multiple transport blocks) of data that may be segmented to produce multiple code blocks.
  • the communication system 100 can be a PLMN network or a D2D network or an M2M network or other network.
  • FIG. 1 is only a simplified schematic diagram of an example, and other network devices may also be included in the network, which are not shown in FIG.
  • FIG. 2 is a schematic flowchart of a signal sending method according to an embodiment of the present invention.
  • the method may be implemented based on the communication system 100 shown in FIG. 1, and the method includes, but is not limited to, the following steps:
  • Step S201 The network device sends a transport block transport block (TB) to the terminal device, where the transport block is the Nth transmitted transport block and the transport block includes at least one coded block (CB).
  • TB transport block transport block
  • CB coded block
  • one transport block TB can be divided into a plurality of code blocks CB for channel coding and decoding, respectively.
  • the Turbo code is used, and the maximum number of CB bits is 6144 (excluding the CRC check bit). If the number of bits of one TB exceeds 6144, the TB needs to be split into multiple CBs respectively.
  • the 5G new radio (NR) system uses a low density parity check (LDPC) code. The maximum number of CB bits has not been determined, but it is also likely to support splitting into more CBs for parallel coding. .
  • the number of transport blocks that the network device sends to the terminal device may be one or more.
  • the transport block sent by the network device to the terminal device in the embodiment of the present invention includes two transport blocks, which may be respectively referred to as transmission.
  • Block #1 and transport block #2 where transport block #1 contains 4 coding blocks, respectively code block #1-A, code block #1-B, code block #1-C, and code block #1-D
  • the transport block #2 contains two coding blocks, which are the coding block #2-A and the coding block #2-B.
  • the present invention is not limited thereto.
  • the number of transport blocks sent by the network device to the terminal device may also be one or four.
  • a transport block may contain 1 coding block, 2 coding blocks or 10 coding blocks.
  • the number of coding blocks included in one transport block is related to the size of the time-frequency resource allocated by the network device for the transport of the transport block and the coded modulation scheme of the transmission.
  • Step S202 The terminal device receives the transport block TB sent by the network device.
  • the receiving may refer to receiving a certain signal, and may also mean receiving and demodulating and/or decoding the received signal.
  • Step S203 The network device sends control information to the terminal device.
  • the control information includes identification information indicating a coding block in the at least one coding block, for example, the identification information indicates coding block #1-C, coding block #1-D, and coding block #2-B .
  • the control information is used to indicate that the terminal device discards (here, "discard" may also have other description manners in subsequent applications, for example, deleting some or all signals in the first signal received by the terminal device and indicating the
  • the terminal device receives the second signal, where the second signal is used by the terminal device to decode the coding block indicated by the identification information, and the discarded first signal is not used by the terminal device to decode the coding block indicated by the identification information,
  • the first signal is a receiving signal corresponding to the coding block indicated by the identifier information received by the terminal device at the Nth time
  • the second signal is a receiving corresponding to the coding block indicated by the identifier information received by the terminal device at the Mth time.
  • the signal, M and N are both positive integers and M is greater than
  • the network device determines, as the target coding block, the coding block that satisfies the preset condition in the at least one coding block, where the identification information is used to indicate the target coding block; that is, the identification information indicates that The target code block is not an arbitrary code block.
  • the preset condition includes at least one of the following: 1. The proportion of the affected time-frequency resources among the allocated time-frequency resources reaches a preset threshold, where the affected Including the time-frequency resources are occupied, the time-frequency resources are interfered, the time-frequency resources are not carrying signals, etc.; 2.
  • MCS modulation and coding scheme
  • the serial number of the Redundancy version (RV) is equal to the preset RV serial number.
  • Possibility 1 Pre-defined the time-frequency resource proportional threshold (belonging to the preset threshold, for example, the ratio can be set to 5%, 10%, 20%, etc.). If the proportion of the affected portion of the time-frequency resource of a coding block (for example, the ratio of the affected resource element (RE) to the total RE of the coding block) exceeds a predefined proportional threshold, the network device The coding block is determined to be a target coding block.
  • the proportion of the affected portion of the time-frequency resource of a coding block for example, the ratio of the affected resource element (RE) to the total RE of the coding block
  • Possibility 2 Predetermine the corresponding threshold of the affected time-frequency resources corresponding to each MCS scheme (belonging to the preset threshold). If the MCS scheme used by the coding block is different, the corresponding proportion of the affected time-frequency resources may also be different. If the proportion of the affected time-frequency resources affected by one coding block is greater than the MCS scheme used by the coding block, The affected time-frequency resource proportional threshold, the network device determines that the coded block is a target coded block.
  • Possibility 3 Pre-defined MCS scheme serial number threshold and affected time-frequency resource proportional threshold (belonging to the preset threshold), each MCS scheme corresponds to a scheme serial number. If the MCS scheme number used by a coding block is greater than the MCS scheme sequence threshold (for example, the MCS sequence threshold may be set to 11 or 16 or 18 or 20), and the proportion of the affected portion of the coded block time-frequency resource exceeds the Affecting the time-frequency resource proportional threshold, the network device determines that the coded block is a target coded block.
  • the affected time-frequency resource proportional threshold is independent of the specific MCS scheme. Regardless of the MCS scheme, the affected time-frequency resource proportional threshold is fixed.
  • Possibility 4 If the sequence of the RV used by the signal of a coded block is equal to the preset sequence number, for example, the preset RV sequence number is 0, the network device determines that the code block is the target code block.
  • the preset number of the RV can also be 1, 2 or 3, etc.
  • Possibility 5 If the signal of a coded block is transmitted in the previous transmission, the sequence number of the RV is equal to the preset sequence number equal to the preset sequence number, for example, the preset RV sequence number is 0, and the affected block time-frequency resource is affected. If the proportion of the proportion exceeds the affected time-frequency resource proportional threshold, the network device determines that the coded block is the target coded block.
  • the preset number of the RV can also be 1, 2 or 3, etc.
  • pre-defined or “preset” may be preset by the network device and/or the terminal device before leaving the factory, or may be agreed by the communication standard specification, and may also be configured by the network device through broadcast information or high-level signaling. For example, radio resource control (RRC) signaling.
  • RRC radio resource control
  • the target coding block After the target coding block is confirmed, the target coding block needs to be identified in the target control information to implement an indication (or "designation") on the target coding block, and several optional parameters for indicating the target coding block are listed below. Methods.
  • the identifier information may be divided into multiple parts and each part correspondingly indicates a target code block in one of the plurality of transport blocks, for example, a part of the identifier information is used to identify
  • the target coding block of transport block #1 for example, the target coding block of transport block #1 is code block #1-C and code block #1-D.
  • a further part of the identification information is used to indicate the target coding block of transport block #2, for example, the target coding block of transport block #2 may be coded block #2-B.
  • the coding block in each transport block is indicated by a 4-bit bitmap, each of the 4 bits is used to indicate a coding block, and if a certain bit is equal to 1, it indicates that the bit indicates The coding block is a target coding block.
  • the transmission block #1 contains 4 coding blocks
  • the coding block #1-C and the coding block #1- in the 4 coding blocks of the transport block #1 can be indicated by the bit value "0011".
  • D is the target coding block.
  • the coding block in each transport block is indicated by a 2-bit bitmap
  • the four coding blocks in the pre-transport block #1 can be divided into groups, coding block #1-A and coding block #1- B is a group, coding block #1-C and coding block #1-D are another group, each of these 2 bits can be used to indicate a group of coding blocks, and if a bit is equal to 1, the bit is indicated.
  • the indicated set of coding blocks are all target coding blocks, and the coding block #1-C and the coding block #1-D in the other group are indicated by the bit value "01" as the target coding block.
  • the indication manner of the coding block in the transport block #2 reference may be made to the indication manner of the coding block in the transport block #1, and details are not described herein again.
  • each coding block may be individually indicated by one bit whether it is a target coding block, and no bits of any coding block are indicated.
  • the possible values can be set to 0 by default. If the number of bits per portion of the identification information is less than the number of coding blocks in the corresponding transport block, then at least one bit is used to indicate whether a plurality of coding blocks (ie, a set of coding blocks) are target coding blocks.
  • the bit information indicating whether the coding block of a certain transmission block is the target coding block is 5 bits
  • the transmission block #1 includes 8 coding blocks
  • the first bit to the third bit are indicated from the left side.
  • the coding block group includes 2 coding blocks
  • the coding block group indicated by the 4th bit and the 5th bit includes 1 coding block. It should be noted that here is only an example from the leftmost bit or from the left side, and can also start from the rightmost bit or from the right side, or any bit.
  • the multiple parts of the identifier information may be multiple fields in the control information, for example, a part of the identifier information may be a field, and another part of the identifier information may be another field.
  • the plurality of parts of the above identification information may also be different parts of a field of the control information, for example, one field contains 5 bits, wherein 2 bits are part, and the remaining 3 bits are another part.
  • the indication information indicates the target coded block in the transport block through a field, instead of indicating the target coded block in one transport block, respectively, as in the first part of the method.
  • the two transport blocks contain a total of 6 code blocks, which are composed of 5 bit bitmaps. Instructions.
  • the coding block grouping method in the first method since the number of coding blocks is larger than the indicated number of bits, the coding blocks are grouped, and the first bit on the left side may be corresponding to the coding block group including two coding blocks, and the last four.
  • Each bit in the bit corresponds to a coded block group containing 1 coded block.
  • the first bit is used to indicate the coding block #1-A and the coding block #1-B
  • the second bit is used to indicate the coding block #1-C
  • the third bit is used to indicate the coding block #1-D
  • the first bit 4 bits are used to indicate the coding block #2-A
  • the 5th bit is used to indicate the coding block #2-B.
  • the network device may indicate that the coding block #1-C, the coding block #1-D, and the coding block #2-B are target coding blocks by configuring the bit value of the indication information to "01101".
  • the number of bits in the indication information may also be other cases.
  • one coding unit may be indicated by one bit, and when there are not many bits, a plurality of coding blocks (ie, one coding group) may be indicated by one bit.
  • Method 1 and Method 2 are suitable for the case where the target coding blocks are independent of each other.
  • the event sequence indication method can be adopted.
  • a large correlation between target coding blocks may exist in the following scenarios, such as data transmission undergoing non-random interference, that is, when the interference exists, the interference appears at a fixed time-frequency position with a large probability; or data transmission experience Non-randomly vacant, that is, when the network device does not transmit a predetermined signal, the affected time-frequency resource appears at a fixed time-frequency position with a large probability.
  • the high probability occurrence event and its serial number are preset.
  • the communication standard specification defines and numbers high probability events, or the network device defines and numbers high probability occurrence events through high layer signaling.
  • the bit contained in the above identification information indicates the occurrence of the event by indicating the sequence number of the predefined event.
  • the coding block #1-A and the coding block #1-B are always the target coding block (event #T1) or the coding block #1-C and the coding block # 1-D becomes the target coding block (Event #T2) at the same time, and other combination events (for example, the above four coding blocks become the target coding block alone or at least two coding blocks other than the above-mentioned event #T1 and event #T2 become simultaneously
  • the event of the target coding block is a small probability event.
  • the preferred method is to use a sequence number to indicate the event. For example, the 1-bit bit is used to indicate the event #T1 and the event #T2 corresponding to the transport block #1, and when the 1-bit bit is 0, the event #T1 is indicated, and when the 1-bit bit is 1, the event #T2 is indicated.
  • the identification information is used to indicate a target coding block belonging to a certain transport block (when there are multiple transport blocks), and the target coding block in other transport blocks is determined by the terminal device according to a predefined rule.
  • the terminal device determines whether there are multiple transport blocks.
  • the target coding block in other transport blocks is determined by the terminal device according to a predefined rule.
  • the identification information is used to indicate the first coding block, so that the terminal device determines the first coding block and the second coding block according to a predefined rule, where the first coding block is a coding block in the first transmission block, and the second coding
  • the block is a coded block in the second transport block, and the time-frequency resource occupied by the first coded block is related to the time-frequency resource occupied by the second coded block.
  • the network device sends the first transport block and the second transport block using different time-frequency resource layers (eg, the first transport block uses the first time-frequency resource layer, and the second coded block uses the second time-frequency resource layer), that is,
  • the content of the predefined rule definition includes: if the time-frequency resource used by the first coding block and the time-frequency resource used by the second coding block are at the same position of different time-frequency resource layers, or if the first coding block is used.
  • the time-frequency resource and the time-frequency resource used by the second coding block have overlapping portions but are in different time-frequency resource layers, and when the terminal device receives the identification information indicating the first coding block, the terminal device may The identification information determines the first coding block and the second coding block, and the first coding block and the second coding block determined according to the identification information belong to the target coding block.
  • the time-frequency resource occupied by the first coding block on the first time-frequency resource layer and the time-frequency resource occupied by the second coding block on the second time-frequency resource layer partially or completely overlap.
  • the first coding block sent by the network device at the Nth time uses a coding rate greater than the coding rate used by the second coding block sent by the Nth time, or the first coding sent by the network device at the Nth time.
  • the modulation mapping order adopted by the block is greater than the modulation mapping order used by the second coding block sent by the Nth time, or the coding rate adopted by the first coding block sent by the network device at the Nth time is greater than the Nth transmission
  • the coding rate adopted by the second coding block and the modulation coding order adopted by the first coding block transmitted by the network device at the Nth time is greater than the modulation mapping order adopted by the second coding block transmitted by the Nth time.
  • the network device instructs the terminal device to divide the data transmitted or received by the terminal device into more than one transmission in one transmission.
  • Blocks are typically used to obtain spatial multiplexing gain provided by multiple antenna systems.
  • Transport blocks mapped on different time-frequency resource layers may use different coded modulation schemes to match the different fading channels they experience.
  • one transmission includes transport block #1 and transport block #2, where transport block #1 includes four coding blocks, which are code block #1-A, code block #1-B.
  • the coding block #1-C and the coding block #1-D, the transport block #2 contains 2 coding blocks, which are the coding block #2-A and the coding block #2-B.
  • the first transport block uses a first time-frequency resource layer
  • the second coded block uses a second time-frequency resource layer.
  • the affected time-frequency resources are shown by bold black lines in the figure.
  • the first layer time-frequency resource is consistent with the location of the affected time-frequency resource in the second layer time-frequency resource. Therefore, the number of target coding blocks is two, one of the target coding blocks is the coding block #1-C in the transmission block #1, and the other target transmission block is the coding block #2-B in the transmission block #2.
  • the affected time-frequency resources in different time-frequency resource layers are consistent, and the corresponding transport block of a certain layer contains several coding blocks and how these coding blocks are mapped.
  • this layer of time-frequency resources both network devices and terminal devices have been Known. Therefore, the network device only needs to identify which coding blocks of the time-frequency resources of all the time-frequency resources are affected, and the terminal device can determine other layers according to the number of the coded blocks in the different transport blocks and the specific mapping position. Affected code blocks. This has the advantage that the number of bits used in indicating (or "identifying") can be effectively reduced.
  • the network device may only indicate the affected target coding block in the transport block with the highest MCS sequence number.
  • the time-frequency resource range of each layer is generally the same (the resource particle data that can be used for data transmission in each layer is similar), and different transport blocks are used differently.
  • the time-frequency resources of the layer Due to the use of the same time-frequency resources, the higher the MCS sequence number, the more coding blocks are included. In other words, using the same range of time-frequency resources, a transport block using a higher coding rate and a higher mapping modulation order can carry more information bits, that is, contain more coding blocks.
  • the time-frequency resources occupied by each coding block are also smaller.
  • the coding block indicating the highest transmission block of the MCS sequence number can reduce the indication granularity (expressed as the time-frequency resource occupied by each coding block), thereby improving the indication precision to avoid unnecessary resource waste when transmitting the target coding block.
  • FIG. 3 Taking FIG. 3 as an example, if the network device indicates the coded block in the transport block #2 with a smaller coded modulation sequence number (including less CB), it is informed that the coded block #2-B is affected in the second layer time-frequency resource.
  • the terminal device concludes that the coded block #1-C and the coded block #1-D are also affected code blocks in the first layer time-frequency resource, so that the terminal device can determine the code block #2-B, code block #1- C and coding blocks #1-D are both target coding blocks (it can be seen that the network device indicates coding block #2-B, coding block #2-C, and coding block #2-D by identifying coding block #2-B Code block for the target).
  • the network device indicates the coded block #1 with a larger coded modulation sequence number (including more coding blocks), it is notified that the coded block #1-C is affected in the first layer time-frequency resource, and the terminal device infers the second layer
  • the coded block #2-B in the time-frequency resource is also the affected coded block, and the terminal device can determine that both the coded blocks #1-C and CB#2-B are the target coded blocks. It can be seen that the coding block in the transport block #1 indicating that the MCS sequence number is larger is higher than the instruction block in the transport block #2 indicating that the MCS sequence number is smaller, and the overhead can be saved. It should be noted that the time-frequency resource used by the coding block #2-B in FIG.
  • the time-frequency resource used by the coding block #1-C and the coding block #1-D are at the same position of different time-frequency resource layers.
  • the invention is not limited thereto. In other words, the implementation method of the present invention can also be applied to other situations.
  • the time-frequency resource used by the coding block #2-B is different from the time-frequency resource used by the coding block #1-C and the coding block #1-D.
  • the network device may also indicate which transport block is indicated for this time and indicate which one or which of the transport blocks are the target coded block.
  • the network device can be provided with maximum flexibility to indicate the target code block.
  • the network device can determine according to the affected time-frequency resource. Indicate which transport block can reduce subsequent transmission overhead.
  • the transmission block number may be indicated by a pre-agreed (including the network device being pre-defined by RRC signaling configuration or communication standard) using the first A bits in the identification information, and the remaining bits indicate which one or which coding block is the target coding block.
  • the identification information includes P bits, wherein A bits indicate a transport block sequence number, and (P-A) bits are used to indicate which one or which code blocks are the target code block.
  • the method for indicating which one or which of the target coding blocks is specifically used may adopt a bitmap indication method (similar to the above method 1 or method 2), or the above-mentioned event sequence indication method, and details are not described herein again.
  • the target coding block may be determined by using the foregoing network device.
  • the preset conditions used at the time and the corresponding method of determining the target code block according to the preset conditions For example, the coding blocks in other time-frequency resource layers corresponding to the directly indicated target coding block, only the MCS scheme belongs to the predefined MCS scheme and/or the proportion of the affected time-frequency resources is greater than a predefined threshold or the original transmitted RV sequence number.
  • the terminal device considers the code block to belong to the target code block. In other words, not all of the coding blocks of other time-frequency resource layers that overlap with the time-frequency resources occupied by the coding blocks directly indicated in the target coding block belong to the second coding block, but satisfy at least one of the foregoing conditions.
  • the method for indicating the target coding block of the identification information is described above.
  • the following describes the possible presentation form of the identification information in the target control information.
  • it may be minimized.
  • the control information of the downlink transmission is generally used by the network device to schedule the terminal device to receive downlink data, which is similar to the control information for scheduling downlink data in the LTE system. Therefore, one or some of the control information for scheduling general downlink transmission may be used to carry the identification information.
  • the terminal device may first perform blind detection according to the predetermined number of information bits, and then determine, according to the content of the received control information and other conditions (semi-static configuration, indication from the network device), that the received general downlink transmission is scheduled.
  • the control information is also the target control information.
  • the target control information and the control information for scheduling the general downlink transmission may be the same control information format or different control information types.
  • the network device may implement the semi-static configuration and indication, such as radio resource control (RRC) signaling, by using high layer signaling.
  • RRC radio resource control
  • the identifier information may be carried by a dedicated field in the target control information, or other fields of the target control information may be used to carry the identifier information, for example, to indicate a coded modulation scheme or a modulation scheme.
  • the modulation coding scheme used by the target coding block of the Mth transmission of the network equipment is the same as the modulation coding scheme used by the target coding block of the Nth transmission, or the network equipment
  • the modulation scheme used by the target coding block of the Mth transmission is the same as the modulation scheme used by the target coding block of the Nth transmission (the specific code rate depends on the network device allocates the target coding block in the Nth transmission).
  • the time-frequency resource the network device does not need to indicate the modulation and coding scheme used by the target coding block of the Mth transmission. Therefore, the field originally used to indicate the coded modulation scheme in the target control information may be used to carry the above identification information.
  • one MCS field in the target control information may be used to indicate a target coded block in one transport block.
  • the method 1 may also use a plurality of MCS fields in the target control information to indicate target coding blocks in the plurality of transport blocks, that is, each MCS field is used to indicate one transport block.
  • an MCS field may be used to indicate a target coded block in a plurality of transport blocks.
  • one MCS field may be used to indicate which one of the transport blocks with the largest MCS scheme number or which coding block is the target coding block.
  • the maximum meaning of the MCS scheme number is that the coding rate of the transport block is the largest or the mapping modulation order is the largest or the coding rate and the mapping modulation order are the largest.
  • the first A bits of the MCS field may be used to indicate the transport block sequence number, and the remaining bits indicate which one or which of the transport blocks of the sequence number are the target code blocks.
  • the network device There is no need to indicate the redundancy version used by the target code block for the Mth transmission.
  • the communication standard specification pre-defines only when the redundancy version number used by the at least one coding block of the Nth transmission is a specified sequence number (for example, sequence number 0), and the target coding block included in at least one coding block of the Nth transmission It is scheduled to be transmitted by the target control information.
  • the network device does not need to indicate the redundancy version used by the target coding block of the Mth transmission, so the field originally used to indicate the redundancy version in the target control information may be used to carry the foregoing identification information.
  • the transmission coding block scheduled by the target control information includes only the target coding block, since the target coding block must not be the initial transmission data (already the Mth transmission and M>N), the target control information is used to indicate this time.
  • the NDI field of whether the transmission is the initial transmission can be used to indicate the target coding block.
  • the method of using the RV field and the NDI field to indicate the target coding block can refer to the above method of using the MCS field, and details are not described herein again.
  • the network device may also indicate the target coding block by Method 1, or Method 2 or Method 3 using at least two fields in the target control information.
  • An implementation method is to use Method 1 or Method 2 or Method 3 to jointly indicate the bits of the two fields, and the method may refer to the method of the MCS field.
  • Another implementation method is to use method three, using one of the at least two fields to indicate the transport block sequence number, and using the remaining field to indicate which one or which of the transport blocks of the sequence number are the target code block.
  • the network device may use the RV field or the NDI field to indicate the transport block sequence number, and use the MCS field which one or which of the transport blocks of the sequence number is the target code block.
  • the field used to indicate the coded modulation scheme or the field used to indicate the coding scheme or the MCS field used to indicate the modulation scheme may have other names; used to indicate that the new transmission or retransmission may also be used to indicate other possible transmission schemes.
  • the NDI field may have other names; the RV field for reading the actual position or the read position in the sequence of the encoded bits (or the soft buffer for storing the encoded bits) may be present in this scheduled transmission content. Other names.
  • the confirmation target coding block is confirmed based on the number of coding blocks and the sequence number included in the transport block of the Nth transmission.
  • the Nth transmission may also be implemented based on the number of coding blocks and the sequence number included in the Nth transmission.
  • the original transmission is a retransmission of transport block #1 in the HARQ process.
  • the coding blocks #1-A and #1-D of the transmission block #1 have been correctly received.
  • the Nth transmission transmits only the coding block #1-B and the coding block #1-C, and the coding block #2-A and the coding block #2-B of the transmission block #2, and the 4-bit MCS field can be reused to indicate the target coding.
  • these 4 bits in turn indicate coding block #1-B, coding block #1-C, coding block #2-A and coding block #2-B from left to right, the network device can pass the bit value "0101"
  • the indication coding block #1-C and the coding block #2-B are target coding blocks.
  • Step S204 The terminal device receives control information sent by the network device.
  • the control information may include specific The indication information is used to indicate the target control information, and the terminal device can determine that the control information is the target control information according to the indication information.
  • the indication information may be carried using an NDI field; for example, the control information type (DCI format) is used to indicate the control information as target control information.
  • the terminal device may also determine whether the control information is the target control information according to the time when the control information is received.
  • the terminal device may understand that the control information is Target control information.
  • the target control information is the same type of control information as the control information generally used for scheduling downlink data transmission.
  • Step S205 The terminal device discards part or all of the received first signal according to the indication of the control information and receives the second signal.
  • the terminal device needs to first determine the target coding block, and it can be understood that the network device and the terminal device pre-define the identification information by using a protocol.
  • the bearer mode is also known to the terminal device when the network device generates the target control information, and the terminal device can use the rule to parse out which target code blocks indicated by the network device by the control information. Since the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time, the terminal device needs to determine that the first signal needs to be determined, and N can send a message by the network device.
  • N may also be derived by the terminal device based on a predefined rule, for example, N is equal to M-1, that is, the Nth transmission is the previous transmission of the Mth transmission. .
  • the terminal device can determine the first signal. Further, the network device further sends a second signal to the terminal device, and correspondingly, the terminal device receives the second signal sent by the network device.
  • Discarding the first signal includes deleting the department or all bit soft information corresponding to the target coding block received at the Nth time (that is, "zeroing" the department or all bit soft information corresponding to the target coding block), and the terminal device will also delete The remaining bits of soft information are written to the memory.
  • the bit soft information is bit probability information, and the bit probability information may be a probability that the bit is equal to 0 and/or equal to 1, or may be a log-likelihood ratio (LLR) of the bit.
  • the LLR is defined as the logarithm of the ratio of the probability that the bit is equal to zero to the probability that the bit is equal to one.
  • the LLR information of one bit is equal to 0, and the probability that the bit is equal to 0 and equal to 1 is 0.5.
  • zeroing may mean that the receiving device does not use bits that are "zeroed” in decoding.
  • the above-mentioned zeroing of the data is to clear the influence of the zeroed data before decoding, that is, the information about the zeroed data obtained from the Nth received signal during the decoding process is set.
  • the probability that zero bits are equal to 0 and equal to 1 is 0.5. Accordingly, if the LLR is not used for decoding, but the probability information is used, "zeroing” is to set the probability of equalizing 1 and equal to 0 of the zeroed data to 0.5.
  • the above memory may be a soft buffer of the receiving device. After writing or merging the received data bit soft information into the soft buffer, the receiving device can send the bit soft information in the soft buffer to the decoder for decoding. Alternatively, the receiving device may combine the received bit soft information with the bit soft information in the soft buffler and send it to the decoder for decoding.
  • the target coding block scheduled by the target control information may only be a partial coding block in the coding block of the Nth transmission, and the target control information may specify a new one for the Mth transmission in the process of scheduling the transmission of the target coding block.
  • Time-frequency resources new resources contain changes in the number of available REs
  • the number of encoded information bits of the target coding block scheduled by the target control information received by the terminal device may be the same as the target coding block coding in the Nth transmission
  • the number of post information bits is not equal.
  • the redundant version of the signal of the target code block received in the Mth transmission (or the starting position in the soft buffer) is the same as the redundancy version of the signal of the target coding block in the Nth transmission If the number of encoded bits of the corresponding signal of the target coding block received by the Mth transmission is equal to or more than the Nth transmission, the encoded bit soft information of the corresponding signal of the target coding block received at the Nth time is obtained. Discard, and merge the soft information corresponding to the encoded bit received at the Mth time into the soft buffer.
  • the encoded bit soft information of the corresponding signal of the target coding block received at the Nth time may be discarded.
  • the bit soft information of the Nth transmission corresponding to the encoded bit received this time may be discarded, and the soft information corresponding to the encoded bit received by the Mth time may be merged into the soft buffer.
  • the encoded bit of the target code block received at the Nth time has a sequence number of 100 to 299 in the soft buffer, which is 200 bits in total.
  • the Mth received the serial number 100 to 199, a total of 100 bits.
  • the terminal device discards 100 bits of sequence number 100 to 199 received in the Nth transmission, retains 100 bits of sequence number from 200 to 299, and merges the reserved bit soft information into the soft buffer.
  • This method can be applied to the network device determining that only the first 100 bits of the target coding block are affected. With this method, the time-frequency resource used in the transmission of the target code block transmission using the target control information can be reduced.
  • Step S206 The terminal device decodes the coded block indicated by the identifier information according to the second signal, and does not decode the coded block indicated by the identifier information according to the discarded first signal.
  • the terminal device writes the bit soft information obtained based on the second signal into the memory, and performs decoding according to the bit soft information in the memory. If the Nth transmission is the initial transmission of the target coding block, the signal corresponding to the target coding block (ie, the first signal) in the Nth transmission is discarded, and the terminal device may be based on the soft bit obtained according to the second signal in the soft memory. Information is decoded.
  • the Nth transmission is a retransmission of the target coding block
  • discarding the signal corresponding to the target coding block in the Nth transmission ie, the first signal
  • writing the bit soft information obtained based on the second signal to the memory is actually
  • the bit soft information is added to the bit soft information of the corresponding position in the memory, that is, "merged", and the terminal device can perform decoding based on the combined bit soft information in the soft memory.
  • the target control information may be used to indicate that the terminal device receives the target coding block, and may also instruct the terminal device to receive one retransmission of the at least one transport block.
  • the network device needs to perform supplementary transmission on the affected specific CB, that is, the target control information is used to instruct the terminal device to discard the signal corresponding to the target coding block in the Nth transmission and to schedule the Mth transmission of the target coding block.
  • the network device can also schedule retransmission of the at least one transport block by using the target control information.
  • the specific scheduling method is: assuming that there are T transport blocks, and the transport blocks associated with the target coding block are S, the target control information may include S+T block segments, and each field block contains the same content, each field block Include at least one of "MCS field", “RV field” and "NDI field”, wherein S field blocks are used to schedule retransmission or initial transmission of S transport blocks, and T fields are used for scheduling and target coding blocks Related transmissions.
  • the target control information may include S+1 blocks, each field block containing at least one of "MCS field", “RV field” and “NDI field”, each field block containing the same content, wherein
  • the S field blocks are used to schedule retransmission or initial transmission of the Sth transport block, and one field block is used for scheduling transmission related to the target coding block.
  • the target control information may also be used only to indicate that the terminal device discards the received signal (ie, the first information) corresponding to the target coding block in the Nth transmission in the HARQ process. That is to say, the target control information is only used to indicate that the terminal device discards the first signal, and is not used to instruct the terminal device to receive the second signal. In other words, the network device transmits the target control information to the terminal device without transmitting the second signal to the terminal device.
  • the network device uses the target control information to schedule the target coding block (ie, transmits the second signal).
  • the second signal includes only the signal corresponding to the target coding block whose RV number is 0 in the Nth transmission.
  • transport block #1 uses RV1 and transport block #2 uses RV0.
  • transport block #1 and transport block #2 as examples, the two transport blocks contain a total of six code blocks.
  • the identification information in the target control information indicates that the coding blocks #1-C and #1-D of the transport block #1 and the coding blocks #2-A and #2-B of the transport block #2 are the target coding blocks.
  • the target control information instructs the terminal device to discard the first signal, which is the coding block #1-C and #1-D of the Nth transmission and the transmission block #1 and the coding block #2-A of the transmission block #2. Receive signals corresponding to #2-B.
  • the target control information further instructs the terminal device to receive the second signal, which is a signal corresponding to the coded blocks #2-A and #2-B of the transport block #2. Since the transmission #1 does not use RV0 in the Nth transmission, the signal corresponding to the target coding block in the transmission block #1 is not included in the second signal.
  • the terminal device can understand that the received signal (information) corresponding to the coding block #1-C and the coding block #1-D and the coding block #2-A and the coding block #2-B received in the Nth transmission should be discarded. And decoding the coded block by using the received signal (information) corresponding to the coded block #2-A and the coded block #2-B received at the Mth time. That is, in the current transmission scheduled by the target control information, the network device transmits only the signals corresponding to the coding block #2-A and the coding block #2-B to the terminal device.
  • the target control information is only used to indicate that the terminal device discards the received signal (information) corresponding to the target coded block in the Nth transmission in the HARQ process, without indicating the target coded block transmission, and does not need to indicate the transmission.
  • the new transmission or retransmission of the block then one or more of the "NDI” field, the "MCS field”, the "RV field", the time-frequency resource indication field and the field related to the HARQ feedback information may be reused to indicate the target coding block. .
  • the target control information may be used to indicate a target coding block.
  • the target control information can also be used to indicate a certain portion of the Nth transmitted signal.
  • the bits that can be used for indication are X bits, and the sequence of all modulation symbols for the Nth transmission can be equally divided into X shares, one bit of the X bits corresponds to one of the X shares, and the bit is 0 indicates that the original transmission corresponds to The signal should be discarded. A bit of 1 indicates that the signal in the original transmission is reserved, and vice versa.
  • the present invention is not limited thereto.
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the corresponding corresponding block of the affected coded block.
  • a first signal and instructing the terminal device to receive the second signal corresponding to the affected coded block, and correspondingly, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the The second signal decodes the affected coded block without decoding from the discarded first signal, making the decoded result more accurate.
  • the coding block of the present invention is only an example, and the coding block may also be a coding block group.
  • the bit 0 or the bit 1 used in the above description is only an example, and the embodiment of the present invention is not limited thereto.
  • FIG. 4 is a schematic structural diagram of a network device 40 according to an embodiment of the present invention.
  • the network device 40 may include a first sending unit 401 and a second sending unit 402.
  • the detailed description of each unit is as follows.
  • the first sending unit 401 is configured to send, to the terminal device, a transport block TB, where the transport block is the Nth transmitted transport block and the transport block includes at least one coded block CB, and the second sending unit 402 is configured to send a control to the terminal device.
  • the control information includes identification information indicating a coding block in the at least one coding block, the control information is used to indicate that the terminal device discards part or all of the first signal received by the terminal device and indicates the The terminal device receives the second signal, where the second signal is used by the terminal device to decode the coding block indicated by the identification information, and the discarded first signal is not used by the terminal device to decode the coding block indicated by the identification information,
  • the first signal is a receiving signal corresponding to the coding block indicated by the identifier information received by the terminal device at the Nth time
  • the second signal is a receiving corresponding to the coding block indicated by the identifier information received by the terminal device at the Mth time.
  • the signal, M and N are both positive integers and M is greater than N.
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coding block, And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • each of the partial bits in the identification information indicates one a coding block; when the number of bits used to carry the identification information is equal to the number of coding blocks included in the transport block, each bit in the identification information indicates one of the coded blocks; when used to carry the identification information When the number of bits is less than the number of coded blocks included in the transport block, at least one bit in the identification information is used to indicate a plurality of the coded blocks.
  • the transport block includes at least a first transport block and a second transport block, and the identifier information is used to indicate the first coding block, so that the terminal device determines the first according to a predefined rule.
  • a coding block and a second coding block the first coding block being a coding block in the first transmission block, and the second coding block being a coding block in the second transmission block.
  • the first coding block sent by the network device at the Nth time uses a coding rate that is greater than the coding rate used by the second coding block sent by the Nth time, or the Nth time of the network device. Transmitting the first coding block to use a modulation mapping order greater than the modulation mapping order used by the second coding block sent by the Nth time, or the coding rate used by the first coding block sent by the network device at the Nth time is greater than The encoding rate adopted by the second coding block sent by the Nth time, and the modulation mapping order adopted by the first coding block sent by the network device at the Nth time is greater than the modulation mapping adopted by the second coding block sent by the Nth time Order.
  • control information defines a field for indicating a redundancy version, and the field for indicating the redundancy version is further used to carry the identification information.
  • control information defines a field for indicating a coded modulation scheme or a modulation scheme, and the field for indicating the coded modulation scheme or the modulation scheme is further used to carry the identifier information.
  • the network device further includes a determining unit, configured to send, after the first sending unit sends the transport block TB to the terminal device, the second sending unit sends the control information to the terminal device Previously, the coding block that satisfies the preset condition in the at least one coding block is determined as a target coding block, and the identification information is used to indicate the target coding block.
  • the preset condition includes at least one of the following: 1. The proportion of the affected time-frequency resources in the used time-frequency resource reaches a preset threshold; 2. The used MCS The scheme belongs to the preset MCS scheme; 3. The serial number of the Redundancy version (RV) is equal to the preset RV sequence number.
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 .
  • the network device 40 depicted in FIG. 4 determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then transmits control information to the terminal device to instruct the terminal device to discard the affected coding block.
  • the terminal device corresponds the first signal, and instructing the terminal device to receive the second signal corresponding to the affected coded block.
  • the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information.
  • the affected coded block is then decoded according to the second signal without being decoded according to the discarded first signal, such that the decoded result is more accurate.
  • FIG. 5 is a schematic structural diagram of a terminal device 50 according to an embodiment of the present invention.
  • the terminal device 50 may include a first receiving unit 501, a second receiving unit 502, a processing unit 503, and a decoding unit 504.
  • the first receiving unit 501 is configured to receive a transport block TB sent by the network device, the transport block is a transport block sent by the network device for the Nth time, and the transport block includes at least one code block CB;
  • the second receiving unit 502 is configured to receive control information sent by the network device, where the control information includes identifier information for indicating a coding block in the at least one coding block, and the processing unit 503 is configured to discard the received information according to the indication of the control information.
  • the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time
  • the second signal is the terminal device
  • the received signal corresponding to the coded block indicated by the identifier information received by the Mth time, M and N are both positive integers and M is greater than N
  • the decoding unit 504 is configured to use the first Decoding the coded block signal indicated by the identification information, it does not encode a signal of the block decoder according to the first identification information of the discarded instructions.
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coding block, And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • each of the partial bits in the identification information indicates one a coding block; when the number of bits used to carry the identification information is equal to the number of coding blocks included in the transport block, each bit in the identification information indicates one of the coded blocks; when used to carry the identification information When the number of bits is less than the number of coded blocks included in the transport block, at least one bit in the identification information is used to indicate a plurality of the coded blocks.
  • the transport block includes at least a first transport block and a second transport block, and the identifier information is used to indicate the first coding block, so that the terminal device determines the first according to a predefined rule.
  • a coding block and a second coding block the first coding block being a coding block in the first transmission block, and the second coding block being a coding block in the second transmission block.
  • the first coding block sent by the network device at the Nth time uses a coding rate that is greater than the coding rate used by the second coding block sent by the Nth time, or the Nth time of the network device. Transmitting the first coding block to use a modulation mapping order greater than the modulation mapping order used by the second coding block sent by the Nth time, or the coding rate used by the first coding block sent by the network device at the Nth time is greater than The encoding rate adopted by the second coding block sent by the Nth time, and the modulation mapping order adopted by the first coding block sent by the network device at the Nth time is greater than the modulation mapping adopted by the second coding block sent by the Nth time Order.
  • control information defines a field for indicating a redundancy version, and the field for indicating the redundancy version is further used to carry the identification information.
  • control information defines a field for indicating a coded modulation scheme or a modulation scheme, and the field for indicating the coded modulation scheme or the modulation scheme is further used to carry the identifier information.
  • each unit may also correspond to the corresponding description of the method embodiment shown in FIG. 2 .
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then transmits control information to the terminal device to instruct the terminal device to discard the affected coding block.
  • the terminal device corresponds the first signal, and instructing the terminal device to receive the second signal corresponding to the affected coded block.
  • the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information.
  • the affected coded block is then decoded according to the second signal without being decoded according to the discarded first signal, such that the decoded result is more accurate.
  • FIG. 6 is a network device 60.
  • the network device 60 includes a processor 601, a memory 602, and a transceiver 603.
  • the processor 601, the memory 602, and the transceiver 603 are connected to each other through a bus. .
  • the memory 602 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, ROM for short), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • the transceiver 603 is for receiving and transmitting data.
  • the processor 601 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 601 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 601 in the network device 60 is configured to read the program code stored in the memory 602 and perform the following operations:
  • the transport block is the Nth transmitted transport block and the transport block includes at least one coded block CB;
  • control information includes identifier information for indicating a coding block in the at least one coding block
  • the control information is used to indicate that the terminal device discards the first received by the terminal device Part or all of the signal and indicating that the terminal device receives the second signal
  • the second signal is used by the terminal device to decode the coding block indicated by the identification information
  • the discarded first signal is not used by the terminal device pair
  • the coded block indicated by the identifier information is decoded
  • the first signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Nth time
  • the second signal is received by the terminal device for the Mth time.
  • the received signal corresponding to the coded block indicated by the identification information, M and N are both positive integers and M is greater than N.
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • each of the partial bits in the identification information indicates one a coding block; when the number of bits used to carry the identification information is equal to the number of coding blocks included in the transport block, each bit in the identification information indicates one of the coded blocks; when used to carry the identification information When the number of bits is less than the number of coded blocks included in the transport block, at least one bit in the identification information is used to indicate a plurality of the coded blocks.
  • the transport block includes at least a first transport block and a second transport block, and the identifier information is used to indicate the first coding block, so that the terminal device determines the first according to a predefined rule.
  • a coding block and a second coding block the first coding block being a coding block in the first transmission block, and the second coding block being a coding block in the second transmission block.
  • the first coding block sent by the network device at the Nth time uses a coding rate that is greater than the coding rate used by the second coding block sent by the Nth time, or the Nth time of the network device. Transmitting the first coding block to use a modulation mapping order greater than the modulation mapping order used by the second coding block sent by the Nth time, or the coding rate used by the first coding block sent by the network device at the Nth time is greater than The encoding rate adopted by the second coding block sent by the Nth time, and the modulation mapping order adopted by the first coding block sent by the network device at the Nth time is greater than the modulation mapping adopted by the second coding block sent by the Nth time Order.
  • control information defines a field for indicating a redundancy version, and the field for indicating the redundancy version is further used to carry the identification information.
  • control information defines a field for indicating a coded modulation scheme or a modulation scheme, and the field for indicating the coded modulation scheme or the modulation scheme is further used to carry the identifier information.
  • the processor 601 after the processor 601 sends the transmission block TB to the terminal device through the transceiver 603, the processor 601 further sends the control information to the terminal device through the transceiver 603, and the processor further And a coding block that satisfies a preset condition in the at least one coding block is determined as a target coding block, and the identification information is used to indicate the target coding block.
  • the preset condition includes at least one of the following: 1. The proportion of the affected time-frequency resources in the used time-frequency resource reaches a preset threshold; 2. The used MCS The scheme belongs to the preset MCS scheme. 3. The serial number of the redundancy version (RV) is equal to the preset RV sequence number.
  • each operation may also correspond to the corresponding description of the method embodiment shown in FIG. 2 .
  • the network device 60 depicted in FIG. 6 determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then transmits control information to the terminal device to instruct the terminal device to discard the affected coding block.
  • the terminal device corresponds the first signal, and instructing the terminal device to receive the second signal corresponding to the affected coded block.
  • the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information.
  • the affected coded block is then decoded according to the second signal without being decoded according to the discarded first signal, such that the decoded result is more accurate.
  • FIG. 7 is a terminal device 70 according to an embodiment of the present invention.
  • the terminal device 70 includes a processor 701, a memory 702, and a transceiver 703.
  • the processor 701, the memory 702, and the transceiver 703 are connected to each other through a bus. .
  • the memory 702 includes, but is not limited to, a random access memory (English: Random Access Memory, RAM for short), a read-only memory (English: Read-Only Memory, abbreviated as: ROM), and an erasable programmable read-only memory (English: Erasable Programmable Read Only Memory (EPROM), or Portable Read-Only Memory (CD-ROM), which is used for related commands and data.
  • the transceiver 703 is configured to receive and transmit data.
  • the processor 701 may be one or more central processing units (English: Central Processing Unit, CPU for short). In the case that the processor 701 is a CPU, the CPU may be a single core CPU or a multi-core CPU.
  • CPU Central Processing Unit
  • the processor 701 in the terminal device 70 is configured to read the program code stored in the memory 702, and perform the following operations: receiving, by the transceiver 703, a transport block TB sent by the network device, where the transport block is sent by the network device for the Nth time.
  • Transmitting a block and the transport block includes at least one coded block CB; receiving, by the transceiver 703, control information transmitted by the network device, the control information including identification information indicating a coded block in the at least one coded block; according to the control information Instructing to discard part or all of the received first signal and receiving the second signal;
  • the first signal is a received signal corresponding to the coded block indicated by the identification information received by the terminal device at the Nth time
  • the second The signal is a received signal corresponding to the coded block indicated by the identifier information received by the terminal device at the Mth time, M and N are both positive integers and M is greater than N; and the coded block indicated by the identifier information is decoded according to the second signal. And decoding the coded block indicated by the identification information according to the discarded first signal.
  • the network device determines that the affected coded block (ie, the target coded block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the first signal corresponding to the affected coded block. And instructing the terminal device to receive the second signal corresponding to the affected coded block, and in response, the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information, and then according to the second signal
  • the affected coded block is decoded without being decoded according to the discarded first signal, making the decoded result more accurate.
  • each of the partial bits in the identification information indicates one a coding block; when the number of bits used to carry the identification information is equal to the number of coding blocks included in the transport block, each bit in the identification information indicates one of the coded blocks; when used to carry the identification information When the number of bits is less than the number of coded blocks included in the transport block, at least one bit in the identification information is used to indicate a plurality of the coded blocks.
  • the transport block includes at least a first transport block and a second transport block, and the identifier information is used to indicate the first coding block, so that the terminal device determines the first according to a predefined rule.
  • a coding block and a second coding block the first coding block being a coding block in the first transmission block, and the second coding block being a coding block in the second transmission block.
  • the first coding block sent by the network device at the Nth time uses a coding rate that is greater than the coding rate used by the second coding block sent by the Nth time, or the Nth time of the network device. Transmitting the first coding block to use a modulation mapping order greater than the modulation mapping order used by the second coding block sent by the Nth time, or the coding rate used by the first coding block sent by the network device at the Nth time is greater than The encoding rate adopted by the second coding block sent by the Nth time, and the modulation mapping order adopted by the first coding block sent by the network device at the Nth time is greater than the modulation mapping adopted by the second coding block sent by the Nth time Order.
  • control information defines a field for indicating a redundancy version, and the field for indicating the redundancy version is further used to carry the identification information.
  • control information defines a field for indicating a coded modulation scheme or a modulation scheme, and the field for indicating the coded modulation scheme or the modulation scheme is further used to carry the identifier information.
  • each operation may also correspond to the corresponding description of the method embodiment shown in FIG. 2 .
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then transmits control information to the terminal device to instruct the terminal device to discard the affected coding block.
  • the terminal device corresponds the first signal, and instructing the terminal device to receive the second signal corresponding to the affected coded block.
  • the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information.
  • the affected coded block is then decoded according to the second signal without being decoded according to the discarded first signal, such that the decoded result is more accurate.
  • the network device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the affected code.
  • the terminal device determines that the affected coding block (ie, the target coding block) is transmitted in the transport block, and then sends control information to the terminal device to instruct the terminal device to discard the affected code.
  • the terminal device discards all or part of the first signal and receives the second signal according to the indication of the control information.
  • the affected coded block is then decoded according to the second signal without being decoded according to the discarded first signal, so that the decoded result is more accurate.
  • Typical eMBB services include ultra-high-definition video, etc.
  • the main features of these services are large amount of transmitted data and high transmission rate.
  • Typical URLLC services include: wireless control in industrial manufacturing or production processes, motion control of driverless cars and drones, and tactile interaction applications such as remote repair and remote surgery.
  • the main features of these services are ultra-reliable. Sex, low latency, less data transfer and burstiness.
  • Typical mMTC services include: smart grid distribution automation, smart city, etc. Its main features are the large number of networked devices, the small amount of transmitted data, and the insensitivity of data to transmission delay. These mMTC terminals need to meet low cost and long time. Standby requirements.
  • data of different types of services in one cell in a 5G network may have a service preemption due to different requirements for delay and reliability.
  • the case of a transmission resource of a service For example, the generation of data packets of the URLLC service is bursty and random, and may not generate data packets for a long period of time, or may generate multiple data packets in a short time, and the data packets of the URLLC service. In most cases it is a packet, for example 50 bytes.
  • the eMBB service has a relatively large amount of data and a relatively high transmission rate. Therefore, a long time unit is usually used for data transmission to improve transmission efficiency.
  • the network device may allocate the already used for transmission in order to meet the ultra-short delay requirement of the URLLC service.
  • the time-frequency resource of the eMBB service data is used to transmit the URLLC service data. At this time, if the user still decodes in the original manner, the reliability of the received signal is lowered.
  • the technical solution of the present application can be specifically applied to various communication networks, for example, Global System of Mobile communication (English: Global System of Mobile communication, abbreviation: GSM), Code Division Multiple Access (abbreviation: CDMA) ), Wideband Code Division Multiple Access (WCDMA), Time Division-Synchronous Code Division Multiple Access (OFDM: TD-SCDMA), Universal Mobile Telecommunications System (English: Universal Mobile Telecommunication System, abbreviation: UMTS), Long Term Evolution (English: Long Term Evolution, abbreviation: LTE) network, etc.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • OFDM Time Division-Synchronous Code Division Multiple Access
  • UMTS Universal Mobile Telecommunications System
  • LTE Long Term Evolution
  • the network also known as the New Radio (NR: NR) network, can be used for D2D (device to device) networks, M2M (machine to machine) networks, and the like.
  • the network device involved in the present application may refer to an entity on the network side for transmitting or receiving information, such as a base station, or may be a transmission point (English: Transmission Point, abbreviation: TP), and a transmission and reception point (English: transmission) And receiver point, abbreviated as: TRP), a relay device, or other network device having a base station function, etc., which is not limited in this application.
  • TP Transmission Point
  • TRP transmission and reception point
  • TRP transmission and reception point
  • relay device or other network device having a base station function, etc., which is not limited in this application.
  • a terminal device is a device having a communication function, which may also be referred to as a terminal, which may include a handheld device having a wireless communication function, an in-vehicle device, a wearable device, a computing device, or other processing connected to a wireless modem.
  • Equipment etc.
  • Terminal devices can be called different names in different networks, such as: terminal, user equipment (English: User Equipment, abbreviation: UE), mobile station, subscriber unit, station, cellular phone, personal digital assistant, wireless modem, wireless communication Equipment, handheld devices, laptops, cordless phones, wireless local loop stations, etc.
  • the terminal device may refer to a wireless terminal or a wired terminal.
  • the wireless terminal can be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem, which can be accessed via a radio access network (eg, RAN, radio access) Network) communicates with one or more core networks.
  • a radio access network eg, RAN, radio access
  • a base station which may also be referred to as a base station device, is a device deployed in a wireless access network to provide wireless communication functions.
  • the name of the base station may be different in different wireless access systems, for example, in a Universal Mobile Telecommunications System (UMTS) network, the base station is called a Node B (NodeB), in the LTE network.
  • the base station is called an evolved Node B (abbreviation: eNB or eNodeB), and may be called a Transmission Reception Point (TRP) network node or a g-Node B (g-NodeB, gNB) in a future 5G system. , etc., not listed here.
  • TRP Transmission Reception Point
  • FIG. 8 is a structural diagram of a communication system according to an embodiment of the present invention.
  • the communication system may include a terminal device and a network device, where the terminal device and the network device can communicate and transmit various service data, for example, processing services such as eMBB, URLLC, and mMTC. .
  • processing services such as eMBB, URLLC, and mMTC.
  • the resource may include one or more of a time domain resource, a frequency domain resource, a codeword resource, and a beam resource.
  • the allocation of the resources may be performed by a network device such as a base station.
  • the network device may allocate resources for the service data by using reserved resources according to characteristics of different services.
  • the network device may also use a preemption mode to allocate resources for the service data.
  • the preemption mode helps to improve system resource utilization and reduce the waste of reserved resources caused by no service. This application takes a preemptive mode as an example for detailed description.
  • the "preemption" may refer to that the network device selects part or all of the time-frequency resources on the time-frequency resources that have been allocated for transmitting the first service data, for transmitting the second service data, that is, the already allocated one for transmission.
  • the time-frequency resource of the service data is selected to be used for transmitting another service data, and the network device does not send the first service data on the time-frequency resource for transmitting the second service data, as shown in the figure. 9 is shown. Therefore, when the first service user processes the data on the time-frequency resource for transmitting the first service data, the data on the time-frequency resource for transmitting the second service data needs to be cleared, that is, cleared. Affected signals.
  • the first service user that is affected by the second service data (or the first service user that is preempted by the second service data) may be one or more resources that are different from the first service user by the second service data.
  • the percentage of total resources allocated to a network device can vary.
  • the “service user” may refer to a terminal device corresponding to the data that receives the service.
  • the network device can send an indication to the terminal device such that the terminal device can clear the affected signal according to the indication, ie decode the received signal according to the indication.
  • the network device Due to the bursty and short-latency requirements of the URLLC service data, in order to improve the system resource utilization, the network device usually does not reserve resources for the transmission of the URLLC service data, and uses the preemptive mode to allocate resources for the URLLC service data. Specifically, when the URLLC service data arrives at the network device, if there is no idle time-frequency resource at this time, the network device cannot wait for the scheduled transmission of the eMBB service data after completing the ultra-short delay requirement of the URLLC service.
  • the URLLC service data is scheduled, and the network device may select part or all of the time-frequency resources for transmitting the URLLC service data on the time-frequency resources that have been allocated for transmitting the eMBB service data, and are used for transmitting the URLLC service data.
  • the data of the eMBB service is not sent on the time-frequency resource, that is, the "preemption" resource. If the URLLC service data has an idle time-frequency resource, the idle time-frequency resource may be allocated to the URLLC service data.
  • the data for transmitting traffic may be described in units of a transport block (abbreviation: TB).
  • a TB can be divided into a plurality of coding blocks CB for channel coding or decoding, respectively, and the terminal device has the capability to independently decode different CBs in one transport block.
  • one TB may include at least one CBG, and one CBG includes at least one CB.
  • the network device may indicate retransmission based on a set of CBs, ie, CBGs.
  • the original transmission may be a complete TB, and only the wrong CBG needs to be transmitted in the retransmission.
  • the data for transmitting the service data may also be described in units of information blocks.
  • the "information block” may include one or more TBs, one or more CBs, and one or more CBGs.
  • the base station schedules the terminal device to perform physical layer data transmission, one or more information blocks are actually transmitted, and one information block may include several information bits. Depending on the number of information bits, the information bits can be divided into one or more coded blocks. The following describes a transport block as an example.
  • a signal not used for transport block decoding may mean “no decoding of a transport block” or "a signal that does not decode a transport block”.
  • the “affected” may mean that the time-frequency resource indicated by the network device to the terminal device for transmitting the first signal does not carry the first signal but is used to carry the second signal during the actual transmission process.
  • the other signal that is, the signal received by the terminal device on the time-frequency resource expected to transmit the first signal is not the first signal but other signals.
  • “affected” may mean that the time-frequency resource indicated by the network device to the terminal device for transmitting the first signal does not carry the first signal, and does not carry any other signals, for example, the network device is in the terminal device.
  • the "affected" may be that the time-frequency resource used by the network device to transmit the first signal carries the first signal, and the time-frequency resource also carries the second signal, that is, the terminal device is in the The signal received on the time-frequency resource also includes other signals than the first signal; wherein the second signal may be a signal transmitted by the same network device.
  • the network device sends (for example, transmitting on the same time-frequency resource) the first signal and the second signal to the terminal device by means of superposition; or the network device can send the first signal by using different signal characteristics.
  • the second signal so that the terminal device can distinguish the first signal and the second signal, for example, the network device can transmit the first signal and the second signal by using different modulation mapping manners or different waveforms.
  • the “affected” may refer to a time-frequency resource indicated by the network device to the terminal device for transmitting the first signal, and the second signal is also carried by the time-frequency resource, and the second signal is further It may be sent by another transmitting device different from the network device, and the second signal may be an interference to the terminal device, or the second signal may be a useful signal for the terminal device.
  • the “clearing signal” may refer to one or more implementations of the terminal device according to the indication of the clearing indication information, the criteria and method predefined by the communication standard protocol specification, and the criteria and method for configuring the network device for the terminal device.
  • Clear operation may be CBG indication information, and the terminal device may clear all or part of the received signals of the CBG indication information corresponding to the CBG according to the CBG indication information.
  • the clearing indication information may also be other indication information, such as the second indication information and/or the fourth indication information, which are used to indicate which of the time-frequency resources on the time-frequency resource are corresponding to the received signal in one transmission. Was affected. Therefore, the terminal device can clear all or part of the received signals corresponding to the resource according to the indication.
  • "clearing the signal” may mean not using the “signal” for decoding, or not decoding according to the “signal” and generating a corresponding ACK/NACK feedback signal.
  • the "clear signal” may be a partial clearing of the indicated signal or a full clearing of the indicated signal. Specifically, when the terminal device clears the signal, the soft bit information corresponding to the signal to be cleared may be set to 0 in a soft buffer; or the terminal device does not correspond to the signal to be cleared.
  • the information is written into the soft memory; or, the terminal device does not use the modulation symbol corresponding to the signal to be cleared in the signal (for example, when the modulation symbol is not received) or the bit to be decoded (for example, demodulated processing)
  • the decoding process is not performed; or the terminal device does not receive the signal to be cleared; or the terminal device discards the time domain received signal corresponding to the signal to be cleared, or the modulation symbol, or the bit information, etc.
  • the “discard discard” can also be described as "clearing the eliminate”, “dropping the drop”, “removing the remove”, “wiping out the obliterate”, “zeroing the set to be zero", etc., which is not limited in this application.
  • the present application discloses a method for indicating control information, a terminal device, and a network device, which helps to improve the reliability of a received signal. The details are explained below.
  • FIG. 10 is a schematic diagram of interaction of a method for indicating control information according to an embodiment of the present invention.
  • the method for indicating control information in the embodiment of the present invention may include the following steps:
  • the network device determines first control information, where the first control information is used to indicate that the terminal device receives the transport block sent by the network device, and the transport block may include at least a third transport block.
  • the network device sends the first control information to the terminal device.
  • the transport block may include one or more transport blocks, assuming that one of the transport blocks included in the transport block is recorded as a third transport block. Further, if the transport block includes only one transport block, the transport block is the third transport block.
  • the first control information may include at least one dedicated control field group, and each dedicated control field group may correspond to one transport block, such that one dedicated control field group in the at least one dedicated control field group may correspond to The third transport block.
  • the first control information may include first indication information, where the first indication information may be used to indicate that the third transport block is an initial transmission (also referred to as “new transmission”, that is, the first transmission) or retransmission. . Further, the first control information may be further used to indicate whether a signal not used for the decoding of the transport block is included in a received signal before the transport block.
  • the first indication information may be carried in a dedicated control field group corresponding to the third transport block.
  • the terminal device discards, according to the first control information, a signal that is not used for decoding of the transport block in the received signal before the transport block.
  • the terminal device can receive the first control information sent by the network device.
  • the terminal device may A control message discards a signal that is not used for the decoding of the transport block in the received signal before the transport block, for example, the terminal device may discard the third transport block before the third transport block according to the first control information. Decoded signal.
  • the first control information may further include: the HARQ process index indication information, where the HARQ process index indication information is used to indicate the first HARQ process index corresponding to the transport block, and the terminal device discards the first control information according to the first control information.
  • the third transport block may be specifically used by the network in the first j transmissions corresponding to the first HARQ process index.
  • the terminal device discards the received signal before the third transport block according to the first control information. A signal that is not used for decoding of the third transport block.
  • the j can take a value of 1.
  • the value of the j may be predefined, for example, preset in the network device and/or the terminal device, or the value of the j may be dynamically or semi-statically notified to the terminal device by the network device.
  • the value of j may be controlled by the network device through physical layer signaling (Downlink Control Information, DCI) signaling, Media Access Control (MAC) layer signaling, or radio resources.
  • DCI Downlink Control Information
  • MAC Media Access Control
  • RRC Radio Resource Control
  • the first control information may further include second indication information, where the second indication information is used to indicate whether a signal that is not used for the decoding of the transport block is included in the received signal before the transport block; or A control information implicitly indicates whether a signal not used for decoding of the transport block is included in the received signal before the transport block.
  • the second indication information may be carried by one field in the first control information. The field may be dedicated to carry the second indication information, and may also be used to carry the second indication information and/or other indication information or control information.
  • the field used to carry the second indication information may be used only for carrying the second indication information, or may be used to carry the other indication information or the control information to carry the second indication information, or may be reused for
  • the field carrying the second indication information carries other indication information or control information.
  • the reused field may be one or more of the following fields: Modulation and Coding Scheme (abbreviation: MCS)
  • MCS Modulation and Coding Scheme
  • the field, the HARQ process index field, the New Data Indication (NDI) field, the Redundancy Version (RV) field, etc., are not limited in this application.
  • the implicit indication manner may be that the scrambling code of the first control information may indicate to the terminal device whether the received signal before the transport block includes a signal not used for decoding the transport block, or The first control information is displayed before or after the transmission of the feedback information corresponding to the received signal before the transmission block, whether the received signal before the transmission block includes a signal not used for the decoding of the transport block, etc., which is not limited in the application. .
  • the second indication information may only indicate whether to include a signal that is not used for transport block decoding (or whether to include a signal that needs to be discarded, or whether the affected signal is included). That is, the second indication information only indicates whether a signal not used for decoding of the transport block is included in the received signal before the transport block.
  • the transport block retransmission network device may send all coded block/code block groups in the transport block to the terminal device (ie, code block and Or the coded block group, when the partial coded block/coded block group in the transport block is also sent, the first control information may further include at least one data indication information, such as CBG indication information (hereinafter, the data indication information is indicated by CBG)
  • CBG indication information may be used to indicate which of the received signals preceding the transport block are corresponding to the CBG, and the received signal is a signal that needs to be discarded (ie, which signals are affected signals), that is, the second indication information is passed.
  • the second indication information may indicate whether a signal not used for transport block decoding is included, and if included, the second indication information may further indicate which of the received signals in the received signal before the transport block need to be discarded. That is, the second indication information itself indicates which of the received signals before the transmission block are received signals corresponding to the CBG, which is a signal to be discarded, which is not limited in this application.
  • the second indication information itself indicates (or the second indication information and the CBG indication information together indicate), among the received signals before the transmission block, which of the received signals corresponding to the CBG are signals that need to be discarded, the second indication information (or the The two indication information together with the CBG indication information may directly indicate one of the transport blocks (eg, the third transport block), that is, which of the received signals preceding the one transport block are received by the CBG.
  • the terminal device may determine, according to the signal of the one transport block that needs to be discarded, signals that other transport blocks need to discard.
  • the second indication information itself indicates (or the second indication information and the CBG indication information indicate together), which of the received signals before the transmission block are received signals corresponding to the CBG
  • the second indication information may be directly At least two transport blocks in the transport block are indicated, that is, which of the received signals preceding the at least two transport blocks are received, and the received signals corresponding to the CBG need to be discarded.
  • the second indication information may be carried in a dedicated control field group in the at least one dedicated control field group, and the third control block corresponds to a dedicated control field group and carries the second
  • the dedicated control field groups of the indication information may be the same or different.
  • the first control information may include only one second indication information, where the second indication information may be carried in a dedicated control field group corresponding to one transport block, and the second indication information pair The transport block corresponding to the dedicated control field group is valid. For example, when the second indication information is carried in the first dedicated control field group, the second indication information is valid for the first transport block.
  • the second indication information may be carried by one dedicated control field group in the first control information.
  • the first control information may be configured to allocate up to V transport blocks at a time, and the first control information may be divided into V+1 a region, where V regions are V dedicated control field groups that can correspond to V transport blocks, and one region includes a non-dedicated control field (or a public control field group), or a control field included in the one region
  • the transport block is valid for all transport blocks.
  • the indication information of the dedicated control field group is valid only for the corresponding transport block; if the transport block corresponding to the dedicated control field group is The indication information of the dedicated control field group may all be invalid, or the part indication information of the dedicated control field group is invalid, or the part of the dedicated control field group indicates that the information is valid and valid.
  • the corresponding transport block indicating the area is not scheduled this time, and so on, so that the false detection probability can be reduced.
  • the terminal device may further determine that the third transport block is an initial transmission or a retransmission, and may determine a dedicated control field group corresponding to the third transport block and a dedicated control field group that carries the second indication information.
  • the third transport block is retransmitted, it is determined that the second indication information is valid for the third transport block. Otherwise, if the third transport block is an initial transmission, it may be determined that the second indication information is invalid.
  • the terminal device may The second indication information discards a signal in the received signal before the third transport block that is not used for the third transport block decoding.
  • the first control information is used to schedule an e-th transmission of the third transport block (an example of the Mth transmission), and the second indication information indication includes not being used for the third transport block translation.
  • the terminal device may discard the signal that is not used for decoding of the third transport block among the received signals corresponding to the ekth (an example of the Nth transmission) of the third transport block.
  • e and k are both positive integers, and e is greater than k.
  • the k can take a value of 1.
  • the dedicated control field group corresponding to the third transport block when the dedicated control field group corresponding to the third transport block is different from the dedicated control field group that carries the second indication information, it may indicate that the first control information indicates the received signal before the third transport block. Signals not used for decoding of the third transport block are not included.
  • the terminal device may discard the signal not used for the decoding of the third transport block in the received signal before the third transport block according to the first control information, and may also be based on the first control The information and the time-frequency resource position in the first j transmissions corresponding to the first HARQ process index and the first HARQ process index are discarded, and the received signal before the other transport block is discarded is not used for the other transport block decoding.
  • the signal that is, the affected signal of the other transport block is determined according to the affected signal of the third transport block.
  • the first control information is used to schedule the e-th transmission of the third transport block
  • the second indication information indicates that the terminal device is not used for the third transport block decoding.
  • the time-frequency resource location in the ek-time transmission discards the signal that is not used for decoding of the fourth transport block in the received signal corresponding to the fg-th transmission of the fourth transport block.
  • f and g are both positive integers and f>g.
  • the g can take a value of 1.
  • the transport block may further include a fourth transport block, that is, two transport blocks are scheduled this time, and one of the at least two dedicated control field groups corresponds to the fourth transport block,
  • the dedicated control field group corresponding to the fourth transport block and the dedicated control field group carrying the second indication information may be the same or different. Further, if the dedicated control field group carrying the second indication information is the same as the dedicated control field group corresponding to the fourth transport block, it may indicate that the first control information is used to indicate the previous transmission of the fourth transport block. Whether signals in the signal that are not used for decoding of the fourth transport block are included in the signal.
  • the first control information may further include third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission.
  • the third indication information indicates that the fourth transport block is a retransmission
  • the second indication The information may also be used to indicate whether a signal not used for the decoding of the fourth transport block is included in the received signal before the fourth transport block.
  • the third indication information indicates that the fourth transmission block is an initial transmission, it may be determined that the first control information does not indicate that the affected signal is previously.
  • the first control information may be further used to indicate a first HARQ process index corresponding to the transport block, where the fourth transport block is scheduled by the network device in a previous j transmission corresponding to the first HARQ process index, And the second indication information indicates that the received signal before the transport block includes a signal that is not used for transport block decoding, the second indication information may indicate that the received signal before the fourth transport block includes not used for the fourth transmission. Block decoded signal.
  • the terminal device may discard the fourth according to the second indication information.
  • the received signal before the transport block is not used for the signal decoded by the fourth transport block.
  • the first control information is used to schedule the e-th transmission of the third transport block and the f-th transmission of the fourth transport block, the second indication information indication includes not being used for transport block decoding.
  • the terminal device may discard the signal not used for decoding the third transport block in the received signal corresponding to the ekth transmission of the third transport block according to the first control information (second indication information), and according to The first control information (second indication information) discards a signal that is not used for decoding of the fourth transport block among the received signals corresponding to the fgth transmission of the fourth transport block.
  • the second indication information may indicate that both transport blocks are affected, and the first control information may further include two CBG indication information, where each CBG indication information corresponds to one transport block, such as a first CBG indication.
  • the information is used to indicate which CBGs of the third transport block are transmitted, and the second CBG indication information is used to indicate which CBGs of the fourth transport block are transmitted, and the terminal device can respectively indicate the CBG indication information of each of the two transport blocks.
  • the previously transmitted received signal corresponding to the scheduled CBG is taken as a received signal that is not used for decoding.
  • the terminal device may discard the third transport block according to the second indication information.
  • a signal not used for decoding of the third transport block in the received signal, and a first j transmission corresponding to the first HARQ process index according to the second indication information and the signal not used for the third transport block decoding The time-frequency resource location in the middle discards the signal in the received signal before the fourth transport block that is not used for the decoding of the fourth transport block.
  • one transmission block when determining a signal that is not used for decoding, one transmission block may be dominant, and the other reference to the "one transmission block", that is, the affected signal of another transmission block is determined according to the affected signal of one transmission block.
  • the transport block indicated by the third transport block or the first dedicated control field, or the transport block with a larger MCS sequence number, or a higher coding rate, or a larger modulation order is determined in the previous transmission.
  • the affected signal of another transport block is determined in the previous transmission.
  • the terminal device may determine that the previous received signal corresponding to the CBG indicated by the CBG indication information (or the CBG indicated by the second indication information) is a signal that is not used for decoding; and for the fourth transport block, The terminal device may determine, according to the time-frequency resource corresponding to the CBG, which of the previous received signals of the fourth transport block are not used for decoding.
  • the two transport blocks are usually Space-divided, that is, the two transport blocks use the same range of time-frequency resources, but are mapped on different spatial layers.
  • a transmission block such as a received signal of a third transport block
  • another time-frequency location corresponding to another transport block on the other spatial layer on the corresponding time-frequency resource, such as the fourth transport block may also be affected. For example, as shown in FIG.
  • the terminal device determines that CB#1-C on the first layer in the ekth transmission is affected by the method of the present application, and accordingly, the terminal device can also confirm CB2- on the second layer.
  • the time-frequency resources of the black box corresponding to B are also affected.
  • the first control information may include an indication information indicating whether the previous received signal includes a signal that is not used for transport block decoding (ie, indicating whether there is an affected signal before), that is, the second indication
  • the information, the second indication information may be carried in a dedicated control field group corresponding to one transport block.
  • the terminal device may determine, according to the first control information, that the first control information schedules several transport blocks. If only one transport block, that is, the third transport block, is scheduled, and the third transport block is scheduled by a dedicated control field group that does not include the second indication information, the terminal device may determine that the first control information is not indicated before There are affected signals.
  • the third transport block may also be detected as an initial transmission or a retransmission, such as according to the above.
  • the first indication information determines whether it is an initial transmission. If the third transport block is an initial transmission, it may indicate that the second indication information is invalid; as shown in FIG. 11, if it is a retransmission (assuming that the first control information is the e-th transmission indicating the third transport block), It can be indicated that the second indication information is valid. When the second indication information is valid, it may be determined whether the second indication information indicates whether the affected signal, that is, the signal not used for the decoding of the transport block, is included.
  • the terminal device may discard the affected signal in the received signal before the third transport block (eg, the ekth transmission of the third transport block) according to the second indication information; if the second indication information does not include not used for the transmission
  • the block decoded signal indicates that the first control information does not indicate that there is an affected signal before.
  • the terminal device discards the received signal before the third transport block according to the second indication information, such as the affected signal in the received signal corresponding to the ekth transmission, if the received signal corresponding to the ekth transmission before the third transport block
  • other transport blocks such as the fg-th transmission of the fourth transport block.
  • the terminal device may determine the affected signal in the ekth transmission of the third transport block according to the second indication information. And determining an affected signal of the other transport block according to the affected signal of the third transport block.
  • the transport block corresponding to the dedicated control field group carrying the second indication information is the first The third transport block, and the other is the fourth transport block. Then, the third transport block and the fourth transport block may be determined to be initial transmission or retransmission, for example, according to the first indication information and the third indication information, whether it is an initial transmission. If both the third transport block and the fourth transport block are initial transmissions, it may be determined that the first control information does not indicate that there is an affected signal before.
  • the third transport block is an initial transmission and the fourth transport block is a retransmission, it may be determined that the first control information does not indicate that the affected signal is previously; if the third transport block is a retransmission, the fourth transport block is an initial transmission.
  • the second indication information indicates whether the affected signal is included. If the second indication information indicates that the affected signal is included, the terminal device may discard the affected signal in the received signal before the third transport block (eg, the ekth transmission of the third transport block) according to the second indication information; if the second indication The information indication does not include the affected signal, and it may be determined that the first control information does not indicate that the affected signal was previously present.
  • the terminal device may further determine whether the transmission corresponding to the ekth transmission before the third transport block is included. The fourth transport block. If only the third transport block is included, as shown in FIG. 15, the terminal device may discard the affected signal in the e-kth transmission of the third transport block according to the second indication information. If the third transport block and the fourth transport block are included, as shown in FIG. 13, the terminal device may determine, according to the second indication information, the affected signal in the ekth transmission of the third transport block, and according to the third transport block. The affected signal determines the affected signal of the fourth transport block for discarding. If the second indication information indicates that the affected signal is not included, it may be determined that the first control information does not indicate that the affected signal was previously present.
  • the terminal device may discard the affected received signal of a certain transmission according to the indication of the first control information (for example, the second indication information itself, or the second indication information and the CBG indication information are indicated together) (For example, the ekth transmission or the first j transmissions corresponding to the first HARQ index), part or all of the received signals corresponding to the affected coding block group and/or the transmission block in the received signal before the transmission block may also be discarded.
  • the indication of the first control information for example, the second indication information itself, or the second indication information and the CBG indication information are indicated together
  • the ekth transmission or the first j transmissions corresponding to the first HARQ index part or all of the received signals corresponding to the affected coding block group and/or the transmission block in the received signal before the transmission block may also be discarded.
  • the second indication information may also be carried in a control field of the first control information except the dedicated control field group, and the second indication information may be used in the common control field. Indicates whether a signal not used for decoding of the transport block is included in the received signal before all the transport blocks corresponding to the dedicated control field group.
  • the second indication information may be carried by one control information bit in the control information
  • the first control information may be divided into V+1 areas, including one “common area”, that is, a common control field, and the remaining V
  • the areas are V dedicated control field groups, and the V dedicated control field groups respectively correspond to V transport blocks that should be transmitted.
  • the common control field includes (bearer) information that is valid for all transport blocks that are scheduled in the transmission, or that is independent of all transport blocks of the transmission.
  • the terminal device may be configured according to the first control information (second The indication information is discarded from the signal of the received signal before the third transport block that is not used for the third transport block decoding.
  • the first control information may be used to indicate a first HARQ process index corresponding to the transport block, and the terminal device does not use the third transport block in the received signal before the third transport block is discarded according to the first control information.
  • the decoded signal may be specifically: when the third transport block is scheduled by the network device in the first j transmissions corresponding to the first HARQ process index, and the first control information indicates a received signal before the transport block
  • the terminal device may discard the signal not used for decoding the third transport block in the received signal before the third transport block according to the first control information.
  • k is a positive integer, for example, the k can take a value of 1.
  • the terminal device may discard the signal not used for the decoding of the third transport block in the received signal before the third transport block according to the first control information, and may also be based on the first control
  • the information and the time-frequency resource position in the first j transmissions corresponding to the first HARQ process index and the first HARQ process index are discarded, and the received signal before the other transport block is discarded is not used for the other transport block decoding.
  • the signal, that is, the affected signal of the other transport block is determined according to the affected signal of the third transport block.
  • the transport block may further include a fourth transport block
  • the first control information may further include third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission. If the third indication information indicates that the fourth transmission block is an initial transmission, it may be determined that the first control information (second indication information) does not indicate that the fourth transmission block has an affected signal before. If the third indication information indicates that the fourth transport block is a retransmission, it may be determined that the first control information (second indication information) indicates whether there is an affected signal before the third transport block and the fourth transport block.
  • the second indication information may indicate that the third transport block and the fourth transport block in the previous (eg, previous) transmission include signals that are not used for decoding, that is, that both transport blocks are affected, but the terminal device When it is determined that only the third transport block is transmitted in the previous transmission, the second indication information may be used only to indicate the third transport block.
  • the first control information may be further used to indicate a first HARQ process index corresponding to the transport block; the third transport block and the fourth The transport block is scheduled by the network device in the first j transmissions corresponding to the first HARQ process index, and the modulation coding scheme index of the third transport block is greater than or equal to the fourth transport block in the previous j transmissions Modulating the coding scheme index, or the modulation order of the third transport block is greater than or equal to the modulation order of the fourth transport block, or the coding rate of the third transport block is greater than or equal to the coding rate of the fourth transport block .
  • the modulation coding scheme index that is, the MCS sequence number is larger, or the coding rate is higher, or the modulation order A larger number of transport blocks are used as the third transport block.
  • the terminal device may be configured according to the second indication. And discarding, in the received signal before the third transport block, a signal that is not used for the third transport block decoding, and the received signal that is discarded before the fourth transport block is discarded according to the second indication information is not used for the fourth transport block translation
  • the second indication information may indicate that both transport blocks are affected
  • the first control information may further include two CBG indication information, where each CBG indication information corresponds to one transport block, such as a first CBG indication.
  • the information is used to indicate which CBGs of the third transport block are transmitted, and the second CBG indication information is used to indicate which CBGs of the fourth transport block are transmitted, and the terminal device can respectively indicate the CBG indication information of each of the two transport blocks.
  • the previously transmitted received signal corresponding to the scheduled CBG is taken as a received signal that is not used for decoding.
  • the terminal device may discard the reception before the third transport block according to the first control information. a signal not used for decoding of the third transport block in the signal; and discarding the first time according to the first control information and the signal not used for decoding of the third transport block in a time-frequency resource position in the previous j transmissions
  • the signal in the received signal before the fourth transport block is not used for the decoding of the fourth transport block, that is, the affected signal of the other transport block is determined according to the affected signal of the third transport block.
  • one transmission block when determining a signal that is not used for decoding, one transmission block may be dominant, and the other reference to the “one transmission block”, that is, the affected signal of another transmission block is determined according to the affected signal of one transmission block, For example, the third transport block, or the transport block indicated by the first dedicated control field, or the transport block with a larger MCS sequence number, or a higher coding rate, or a larger modulation order, is used in the previous transmission to determine another The affected signal of a transport block.
  • the third transport block is the primary, and the first control information may further include two CBG indication information.
  • the first CBG indication information may be used to indicate which CBGs of the third transport block are scheduled this time
  • the second CBG indication information may be used to indicate which CBGs of the fourth transport block are scheduled.
  • the terminal device may determine that the received signal of the first j times (such as the previous time) corresponding to the CBG indicated by the first CBG indication information is a signal that is not used for decoding; and for the fourth transport block, the terminal device Which of the received signals of the first transmission block f (eg, the previous time) is not used for decoding may be determined according to the time-frequency resource corresponding to the first CBG.
  • the first control information may include an indication information indicating whether the previous received signal includes a signal that is not used for transport block decoding (ie, indicating whether there is an affected signal before), that is, the second indication Information
  • the second indication information may be carried in a control field other than the dedicated control field group, such as a common control field, or in a scrambling code of the first control information.
  • the terminal device may determine, according to the first control information, that the first control information schedules several transport blocks. If only one transport block, that is, the third transport block, is scheduled, the third transport block may be detected as an initial transmission or a retransmission, for example, according to the first indication information described above, whether it is an initial transmission.
  • the third transport block is an initial transmission, it may indicate that the second indication information is invalid; as shown in FIG. 11, if it is a retransmission (assuming that the first control information is the e-th transmission indicating the third transport block), It can be indicated that the second indication information is valid.
  • the second indication information is valid, it may be determined whether the second indication information indicates whether the affected signal, that is, the signal not used for the decoding of the transport block, is included. If included, the terminal device may discard the affected signal in the received signal before the third transport block (eg, the ekth transmission of the third transport block) according to the second indication information; if the second indication information does not include not used for the transmission
  • the block decoded signal indicates that the first control information does not indicate that there is an affected signal before.
  • the terminal device when the terminal device discards the received signal before the third transport block according to the second indication information, such as the affected signal in the received signal corresponding to the ekth transmission, if the received signal corresponding to the ekth transmission before the third transport block Also included are other transport blocks (such as the fg-th transmission of the fourth transport block). As shown in FIG. 12, the terminal device may determine the affected signal in the ekth transmission of the third transport block according to the second indication information. And determining an affected signal of the other transport block according to the affected signal of the third transport block.
  • the terminal device may determine that the third transport block and the fourth transport block are initial transmission or retransmission, for example, determining whether the initial transmission is based on the first indication information and the third indication information. If both the third transport block and the fourth transport block are initial transmissions, it may be determined that the first control information does not indicate that there is an affected signal before. If one of the two transport blocks is an initial transmission and the other is a retransmission, the retransmitted transport block may be used as the third transport block, and it is determined whether the second indication information indicates whether the affected signal is included.
  • the terminal device may discard the affected signal in the received signal before the third transport block (eg, the ekth transmission of the third transport block) according to the second indication information; if the second indication The information indication does not include the affected signal, and it may be determined that the first control information does not indicate that the affected signal was previously present. If the third transport block is retransmitted, the fourth transport block is also retransmitted, and the second indication information indicates that the affected signal is included, the terminal device may discard the corresponding one of the received signals according to the second indication information and the first CBG indication information.
  • the terminal device may also discard the third transmission corresponding to the received signal according to the second indication information and the first CBG indication information when the third transmission block is scheduled to be transmitted by the ek transmission.
  • the CBG signal of the block discards the CBG signal of the fourth transport block corresponding to the received signal according to the second indication information and the second CBG indication information when the fourth transmission block is scheduled to be transmitted by the fg transmission before determining; or As shown in FIG.
  • the terminal device may determine, according to the second indication information, the CBG signal in the ekth transmission of the third transport block, that is, the affected signal, and determine the fourth transport block according to the affected signal of the third transport block. Affecting the signal for discarding; if the first j transmissions only schedule the third transport block, as shown in FIG. 15, the terminal device may discard the CBG signal in the ekth transmission of the third transport block according to the second indication information. Affect the signal. If the second indication information indicates that the affected signal is not included, it may be determined that the first control information does not indicate that the affected signal was previously present.
  • the terminal device may discard the affected received signal of a certain transmission according to the indication of the first control information (for example, the second indication information itself, or the second indication information and the CBG indication information are indicated together) (For example, the ekth transmission or the first j transmissions corresponding to the first HARQ index), part or all of the received signals corresponding to the affected coding block group and/or the transmission block in the received signal before the transmission block may also be discarded.
  • the indication of the first control information for example, the second indication information itself, or the second indication information and the CBG indication information are indicated together
  • the ekth transmission or the first j transmissions corresponding to the first HARQ index part or all of the received signals corresponding to the affected coding block group and/or the transmission block in the received signal before the transmission block may also be discarded.
  • the dedicated control field group corresponding to the third transport block may be the same as the dedicated control field group corresponding to the second indication information, where the second indication information may be used to indicate the third transport block. Whether the signal not used for decoding of the third transport block is included in the received signal.
  • the terminal device may discard the third transmission according to the second indication information.
  • the signal before the block is not used for the signal decoded by the third transport block.
  • the transport block may further include a fourth transport block, where one of the at least two dedicated control field groups corresponds to the fourth transport block, the specific control field group corresponding to the fourth transport block, and the The third control block has different dedicated control field groups.
  • the first control information may further include third indication information and fourth indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission, and the fourth indication information is used to indicate the Whether the signal not used for the decoding of the fourth transport block is included in the received signal before the fourth transport block.
  • the fourth indication information may be carried in a dedicated control field group corresponding to the fourth transport block. Further optionally, the third indication information may also be carried in a dedicated control field group corresponding to the fourth transport block.
  • the terminal device may discard the signal not used for the decoding of the fourth transport block in the received signal before the fourth transport block according to the fourth indication information.
  • the terminal device may discard the affected one of the transmission according to the indication of the first control information (for example, the second indication information itself, or the second indication information and the CBG indication information)
  • Receiving a signal may also discard part or all of the received signal before the transmission block corresponding to the affected coding block group and/or the transmission block.
  • the first control information may further include two CBG indication information, that is, first CBG indication information and second CBG indication information.
  • the first CBG indication information may be used to indicate which CBGs of the third transport block are transmitted, and the second CBG indication information may be used to indicate which CBGs of the fourth transport block are transmitted.
  • the terminal device may determine, according to the second indication information and the first CBG indication information, a signal that is not to be decoded in the previous transmission received signal corresponding to the third transmission block, and determine the fourth transmission block according to the fourth indication information and the second CBG indication information. Corresponding previously transmitted signals are not decoded in the received signal.
  • the first control information may also actually schedule one transport block, that is, the third transport block, but the first control information may include two indicators for indicating whether to include not used for transport block decoding.
  • the indication information such as the second indication information and the fourth indication information described above. Then, the terminal device needs to determine which indication information is valid, and specifically, the indication information carried by the scheduled transmission block, such as the dedicated control field group corresponding to the third transmission block, is determined as valid indication information, and then the signal is discarded according to the valid indication information.
  • the terminal device may detect that the third transport block is an initial transmission or a retransmission, for example, determining whether it is an initial transmission according to the foregoing first indication information. If it is an initial transmission, it may indicate that the second indication information is invalid; as shown in FIG. 11, if it is a retransmission (assuming that the first control information is the e-th transmission indicating the third transport block), the first indication may be indicated. The second indication is valid.
  • the terminal device may discard the affected signal in the received signal before the third transport block (eg, the ekth transmission of the third transport block) according to the second indication information; if the second indication information does not include not used for the transmission
  • the block decoded signal indicates that the first control information does not indicate that there is an affected signal before.
  • the terminal device when the terminal device discards the received signal before the third transport block according to the second indication information, such as the affected signal in the received signal corresponding to the ekth transmission, if the received signal corresponding to the ekth transmission before the third transport block Also included are other transport blocks (such as the fg-th transmission of the fourth transport block). As shown in FIG. 12, the terminal device may determine the affected signal in the ekth transmission of the third transport block according to the second indication information. And determining an affected signal of the other transport block according to the affected signal of the third transport block.
  • each of the two transport blocks has an indication information indicating whether to include not for translation.
  • the signal of the code indicates the third transport block with the second indication information
  • the fourth indication information indicates the fourth transport block as an example.
  • the third transport block and the fourth transport block may be determined to be initial transmission or retransmission, for example, according to the first indication information and the third indication information, whether it is an initial transmission. If both the third transport block and the fourth transport block are initial transmissions, it may be determined that the first control information does not indicate that there is an affected signal before.
  • the fourth transport block is an initial transmission
  • the second indication information may be determined whether the affected signal is included. If the second indication information indicates that the affected signal is included, the terminal device may be configured according to the second indication information. Discarding the affected signal in the received signal before the third transport block (such as the ekth transmission of the third transport block), as shown in FIG. 15; if the second indication information indicates that the affected signal is not included, the first The control information does not indicate that there is an affected signal before.
  • the terminal device may according to the fourth indication.
  • the information discards the affected signal in the received signal before the fourth transport block (such as the fg transmission of the fourth transport block); if the fourth indication information indicates that the affected signal is not included, it may be determined that the first control information is not indicated before There are affected signals. If the third transport block is a retransmission and the fourth transport block is also a retransmission, the second indication information and the fourth indication information may be respectively determined whether the affected signal is included, as shown in FIG.
  • the terminal device may discard the affected signal in the ekth transmission of the third transport block according to the second indication information; if the fourth indication information indicates that the affected signal is included, the terminal device may be according to the fourth The indication information discards the affected signal in the fgth transmission of the fourth transport block. If the second indication information indicates that the affected signal is not included, it may be determined that the third transport block has no affected signal before; if the fourth indication information indicates that the affected signal is not included, it may be determined that the fourth transport block has no previously affected signal.
  • the terminal device may be instructed according to the first control information, for example, the second indication information itself indication and the fourth indication information itself, or the second indication information, the fourth indication information, and the CBG indication information.
  • Declaring together) discarding the affected received signal of a certain transmission may also discard the received signal before the transmission block from the affected coding block group and / or the corresponding part or all of the transmission block receives the signal.
  • the j, e, k, f, g are all positive integers, and e is greater than k, and f is greater than g.
  • the values of the two of the j, k, and g may be the same or different.
  • the values of the j, k, and g are the same, for example, the value is 1 or other values.
  • the values of e and f may be the same or different.
  • the values of the j, k, and g may be predefined, for example, preset in the network device and/or the terminal device before leaving the factory, or the values of the j, k, and g may be dynamically sent by the network device through signaling.
  • the values of j, k, and g may be indicated by the network device by physical layer signaling, such as DCI signaling, MAC layer signaling, RRC layer signaling, and the like, and the like. Not limited.
  • the network device may send the first control information to the terminal device to indicate whether the scheduled transmission block is an initial transmission and whether the received signal before the transmission block includes a signal not used for the transmission block decoding. And determining, by the terminal device, whether the received signal before the transport block has an affected signal according to the indication of the first control information, so that the affected signal can be discarded in time when present, which helps to improve the received signal. Reliability, to avoid the problem of unreliable signal reception caused by resource preemption.
  • FIG. 17 is a schematic diagram showing a possible structure of a terminal device involved in the foregoing embodiment.
  • the terminal device 1700 may include: a communication unit 1701.
  • the terminal device 1700 also optionally includes a processing unit 1702.
  • the unit may perform the corresponding function in the foregoing method example, for example, the communication unit 1701 is configured to receive first control information sent by the network device, where the first control information is used to instruct the terminal device to receive the network device.
  • the transport block includes at least a third transport block; wherein the first control information includes at least two dedicated control field groups, and one of the at least two dedicated control field groups corresponds to a dedicated control field group
  • the first control information includes first indication information, the first indication information is used to indicate that the third transport block is a retransmission, and the first control information is further used to indicate the Whether a signal not used for decoding of the transport block is included in the received signal before the transport block.
  • the processing unit 1702 is configured to: discard according to the first control information, when the first control information indicates that the received signal before the transport block includes a signal that is not used for the decoding of the transport block, The received signal before the third transport block is not used for the signal decoded by the third transport block.
  • the first control information further includes second indication information, where the second indication information is used to indicate whether a signal that is not used for the decoding of the transport block is included in a received signal before the transport block; or The first control information implicitly indicates whether a signal not used for decoding of the transport block is included in a received signal before the transport block.
  • the second indication information may be carried by one field in the first control information.
  • the field may be dedicated to carrying the second indication information, and may also be used to carry the second indication information and/or other indication information or control information; or the field for carrying the second indication information may be used only for carrying the second
  • the indication information may also be a field for carrying the other indication information or the control information to carry the second indication information, or may be used to carry the second indication information to carry other indication information or control information.
  • the reused field may be one or more of the following fields, an MCS field, a HARQ process index field, an NDI field, an RV field, and the like.
  • the implicit indication manner may be that the scrambling code of the first control information may indicate to the terminal device whether the received signal before the transport block includes a signal not used for decoding the transport block, or The first control information is displayed before or after the transmission of the feedback information corresponding to the received signal before the transport block, indicating whether the signal not used for the decoding of the transport block is included in the received signal before the transport block.
  • the second indication information may only indicate whether a signal not used for transport block decoding is included, and the first control information may further include at least one data indication information, where the data indication information is used to indicate the transport block before Which of the received signals are signals that need to be discarded (ie, which signals are affected signals), such as the data indication information may be CB indication information and/or CBG indication information.
  • the second indication information may indicate whether a signal not used for transport block decoding is included, and if included, the second indication information may further indicate a signal to be discarded in the received signal before the transport block, such as which CB and / or the signal corresponding to the CBG needs to be discarded.
  • each transport block may correspond to one data indication information.
  • the first control information may also include only one data indication information, and the terminal device may determine, according to the signal that the transport block corresponding to the data indication information needs to be discarded, signals that need to be discarded by other transport blocks.
  • the second indication information itself indicates (or the second indication information and the CBG indication information together indicate), among the received signals before the transport block, which CB and/or CBG corresponding received signals are signals that need to be discarded, the second indication information At least two transport blocks in the transport block may be directly indicated, that is, which CB and/or CBG corresponding received signals in the received signals preceding the at least two transport blocks are to be discarded.
  • the second indication information is carried in a dedicated control field group in the at least one dedicated control field group; the dedicated control field group corresponding to the third transport block and the second indication information
  • the dedicated control field groups are the same or different.
  • the processing unit 1702 is further configured to: when the dedicated control field group corresponding to the third transport block is the same as the dedicated control field group that carries the second indication information, and the second indication information indicates When the received signal before the transport block includes a signal that is not used for the decoding of the transport block, the received signal before the third transport block is discarded according to the second indication information is not used for the third transport block translation.
  • the signal of the code is further configured to: when the dedicated control field group corresponding to the third transport block is the same as the dedicated control field group that carries the second indication information, and the second indication information indicates When the received signal before the transport block includes a signal that is not used for the decoding of the transport block, the received signal before the third transport block is discarded according to the second indication information is not used for the third transport block translation. The signal of the code.
  • the first control information indicates reception before the third transport block Signals not used for decoding of the third transport block are not included in the signal.
  • the transport block further includes a fourth transport block, where one of the at least two dedicated control field groups corresponds to the fourth transport block, and the fourth transport block corresponds to a dedicated The control field group is different from the dedicated control field group that carries the second indication information; the first control information further includes third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or Retransmission.
  • the second indication information is used to indicate whether the received signal before the fourth transport block includes not used for the The signal decoded by the fourth transport block.
  • the first control information is further used to indicate a first hybrid automatic repeat request (HARQ process index) corresponding to the transport block; and when the fourth transport block is in an index corresponding to the first HARQ process index
  • HARQ process index hybrid automatic repeat request
  • the second indication information indicates that the received signal before the transport block includes a signal that is not used for decoding of the fourth transport block
  • the second indication information indicates The received signal preceding the fourth transport block includes a signal that is not used for decoding of the fourth transport block.
  • processing unit 1702 is further configured to: discard, according to the second indication information, a signal that is not used for the fourth transport block decoding in the received signal before the fourth transport block.
  • the processing unit 1702 is further configured to: discard, according to the second indication information, a signal that is not used for decoding of the third transport block in a received signal before the third transport block; and Receiving the second indication information and the signal not used for the third transport block decoding before discarding the fourth transport block at a time-frequency resource location in a previous transmission corresponding to the first HARQ process index A signal in the signal that is not used for decoding of the fourth transport block.
  • the second indication information is carried in a control field of the first control information except the at least two dedicated control field groups, where the second indication information is used to indicate the at least two dedicated It is controlled whether a signal not used for the decoding of the transport block is included in the received signal before all the transport blocks corresponding to the field group.
  • processing unit 1702 is further configured to: when the first control information indicates that the received signal before the transport block includes a signal that is not used for the decoding of the transport block, according to the first control The information discards a signal that is not used for decoding of the third transport block in the received signal before the third transport block.
  • the first control information is further used to indicate a first hybrid automatic repeat request HARQ process index corresponding to the transport block;
  • the processing unit 1702 may be specifically configured to be scheduled by the network device when the third transport block is in a previous transmission corresponding to the first HARQ process index, and the first control information indicates the transmission
  • the received signal before the block includes a signal that is not used for the decoding of the transport block
  • the signal that is not used for the decoding of the third transport block in the received signal before the third transport block is discarded according to the first control information.
  • the transport block includes a fourth transport block
  • the first control information further includes third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission.
  • the first control information is further used to indicate a first hybrid automatic repeat request (HARQ process index) corresponding to the transport block, and the third indication information indicates that the fourth transport block is a retransmission;
  • the third transport block and the fourth transport block are scheduled by the network device in a previous transmission corresponding to the first HARQ process index, and the modulation of the third transport block in the previous transmission
  • the coding scheme index is greater than or equal to the modulation coding scheme index of the fourth transport block, or the modulation order of the third transport block is greater than or equal to the modulation order of the fourth transport block, or the third
  • the coding rate of the transport block is greater than or equal to the coding rate of the fourth transport block.
  • the processing unit 1702 is further configured to: when the first control information indicates that the received signal before the transport block includes a signal that is not used for the transport block, and is discarded according to the first control information. a signal not used for decoding of the third transport block in the received signal before the third transport block; and, according to the first control information and the signal not used for decoding of the third transport block.
  • the time-frequency resource location in the previous transmission discards the signal in the received signal before the fourth transport block that is not used for the decoding of the fourth transport block.
  • the dedicated control field group corresponding to the third transport block is the same as the dedicated control field group corresponding to the second indication information, and the second indication information is used to indicate receiving before the third transport block. Whether signals in the signal that are not used for decoding of the third transport block are included in the signal.
  • processing unit 1702 is further configured to: when the second indication information indicates that the received signal before the third transport block includes a signal that is not used for the third transport block decoding, according to the The second indication information discards a signal that is not used for the third transport block decoding in the received signal before the third transport block.
  • the transport block further includes a fourth transport block, and one of the at least two dedicated control field groups corresponds to the fourth transport block;
  • the first control information further includes a third The indication information and the fourth indication information, the third indication information indicates that the fourth transport block is a retransmission, and the fourth indication information is used to indicate whether the received signal before the fourth transport block includes not used
  • the fourth indication information is carried in the dedicated control field group corresponding to the fourth transport block.
  • processing unit 1702 is further configured to: when the fourth indication information indicates that the received signal before the fourth transport block includes a signal that is not used for the fourth transport block decoding, according to the The fourth indication information discards a signal that is not used for decoding of the fourth transport block among the received signals before the fourth transport block.
  • the processing unit 1702 is further configured to discard the affected received signal of the certain transmission according to the indication of the first control information, for example, the second indication information itself, or the second indication information and the CBG indication information are together.
  • the processing unit 1702 is further configured to discard the affected received signal of the certain transmission according to the indication of the first control information, for example, the second indication information itself, or the second indication information and the CBG indication information are together.
  • the ekth transmission or the first j transmissions corresponding to the first HARQ index part or all of the received signals corresponding to the affected coding block group and/or the transmission block in the received signal before the transmission block may also be discarded.
  • each functional unit in the embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • FIG. 18 shows another possible structural diagram of the terminal device involved in the above embodiment.
  • the terminal device 1800 may include: a processing unit 1802 and a communication. Unit 1803.
  • the processing unit 1802 can be used to control management of actions of the terminal device, for example, the processing unit 1802 is configured to support the terminal device to perform the process 1003 of FIG. 10, and/or other processes for the techniques described herein.
  • Communication unit 1803 can be used to support communication between the terminal device and other network entities, such as with the network entities or functional units illustrated in Figures 10-17.
  • the terminal device may further include a storage unit 1801 for storing program codes and data of the terminal device.
  • the processing unit 1802 may be a processor or a controller, such as a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1803 may be a transceiver.
  • the storage unit 1801 may be a memory.
  • the terminal device 1900 can include a processor 1902, a transceiver 1903, and a memory 1901.
  • the transceiver 1903, the processor 1902, and the memory 1901 are connected to each other.
  • the processor may perform the functions of the processing unit 1802 described above, the transceiver may be similar in function to the communication unit 1803, and the memory may be similar in function to the storage unit 1801.
  • the transceiver 1903 may include a receiver and a transmitter, or may be integrated by a receiver and a transmitter, which is not limited herein.
  • the steps of a method or algorithm described in connection with the present disclosure may be implemented in a hardware or may be implemented by a processor executing software instructions.
  • the software instructions may be composed of corresponding software modules, which may be stored in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programmable read only memory ( Erasable Programmable ROM (EPROM), electrically erasable programmable read only memory (EEPROM), registers, hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in the terminal device.
  • the processor and the storage medium can also exist as discrete components in the terminal device.
  • FIG. 20 is a schematic diagram showing a possible structure of the network device involved in the foregoing embodiment.
  • the network device 20002000 may include: a communication unit 2001.
  • the network device 2000 also optionally includes a processing unit 2002.
  • the unit may perform the corresponding function of the network device in the foregoing method example, for example, the communication unit 2001 is configured to send the first control information to the terminal device, where the first control information is used to instruct the terminal device to receive the network.
  • the processing unit 2002 is configured to determine the first control information, and then send the first control information by using the communication unit 2001.
  • the first control information further includes second indication information, where the second indication information is used to indicate whether a signal that is not used for the decoding of the transport block is included in a received signal before the transport block; or The first control information implicitly indicates whether a signal not used for decoding of the transport block is included in a received signal before the transport block.
  • the second indication information is carried in a dedicated control field group in the at least one dedicated control field group; the dedicated control field group corresponding to the third transport block and the second indication information
  • the dedicated control field groups are the same or different.
  • the dedicated control field group corresponding to the third transport block may be combined with the second indication information
  • the dedicated control field group is the same, and the second indication information may indicate that a signal not used for the transmission block decoding is included in a received signal before the transport block.
  • the terminal device can discard the signal not used for the decoding of the third transport block among the received signals before the third transport block according to the second indication information.
  • the first control information indicates reception before the third transport block Signals not used for decoding of the third transport block are not included in the signal.
  • the transport block further includes a fourth transport block, where one of the at least two dedicated control field groups corresponds to the fourth transport block, and the fourth transport block corresponds to a dedicated The control field group is different from the dedicated control field group that carries the second indication information; the first control information further includes third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or Retransmission.
  • the second indication information is used to indicate whether the received signal before the fourth transport block includes not used for the The signal decoded by the fourth transport block.
  • the first control information is further used to indicate a first hybrid automatic repeat request (HARQ process index) corresponding to the transport block; and when the fourth transport block is in an index corresponding to the first HARQ process index
  • HARQ process index hybrid automatic repeat request
  • the second indication information indicates that the received signal before the transport block includes a signal that is not used for decoding of the fourth transport block
  • the second indication information indicates The received signal preceding the fourth transport block includes a signal that is not used for decoding of the fourth transport block.
  • the second indication information is carried in a control field of the first control information except the at least two dedicated control field groups, where the second indication information is used to indicate the at least two dedicated It is controlled whether a signal not used for the decoding of the transport block is included in the received signal before all the transport blocks corresponding to the field group.
  • the first control information may indicate that the received signal before the transport block includes not used for the transmission Block decoded signal. Therefore, the terminal device may discard the signal not used for the decoding of the third transport block in the received signal before the third transport block according to the first control information.
  • the first control information is further used to indicate a first hybrid automatic repeat request HARQ process index corresponding to the transport block.
  • the third transport block is scheduled by the network device in a previous transmission corresponding to the first HARQ process index, and the first control information indicates that the received signal before the transport block includes not used
  • the terminal device can discard the signal that is not used for the decoding of the third transport block in the received signal before the third transport block according to the first control information.
  • the transport block includes a fourth transport block
  • the first control information further includes third indication information, where the third indication information is used to indicate that the fourth transport block is an initial transmission or a retransmission.
  • the first control information is further used to indicate a first hybrid automatic repeat request (HARQ process index) corresponding to the transport block, and the third indication information indicates that the fourth transport block is a retransmission;
  • the third transport block and the fourth transport block are scheduled by the network device in a previous transmission corresponding to the first HARQ process index, and the modulation of the third transport block in the previous transmission
  • the coding scheme index is greater than or equal to the modulation coding scheme index of the fourth transport block, or the modulation order of the third transport block is greater than or equal to the modulation order of the fourth transport block, or the third
  • the coding rate of the transport block is greater than or equal to the coding rate of the fourth transport block.
  • the dedicated control field group corresponding to the third transport block is the same as the dedicated control field group corresponding to the second indication information, and the second indication information is used to indicate receiving before the third transport block. Whether signals in the signal that are not used for decoding of the third transport block are included in the signal.
  • the second indication information may indicate that the received signal before the third transport block includes a signal that is not used for the third transport block decoding. Therefore, the terminal device may discard the signal not used for the decoding of the third transport block in the received signal before the third transport block according to the second indication information.
  • the transport block further includes a fourth transport block, and one of the at least two dedicated control field groups corresponds to the fourth transport block;
  • the first control information further includes a third The indication information and the fourth indication information, the third indication information indicates that the fourth transport block is a retransmission, and the fourth indication information is used to indicate whether the received signal before the fourth transport block includes not used
  • the fourth indication information is carried in the dedicated control field group corresponding to the fourth transport block.
  • the fourth indication information may indicate that the received signal before the fourth transport block includes a signal that is not used for the fourth transport block decoding. Therefore, the terminal device may discard the signal not used for the decoding of the fourth transport block in the received signal before the fourth transport block according to the fourth indication information.
  • each functional unit in the embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • FIG. 21 is a schematic diagram showing another possible structure of the network device involved in the foregoing embodiment.
  • the network device 2100 may include: a processing unit 2102 and a communication. Unit 2103.
  • the processing unit 2102 can be used to control management of the actions of the network device, for example, the processing unit 2102 is configured to support the network device to perform the process 1001 of FIG. 10, and/or other processes for the techniques described herein.
  • the communication unit 2103 is configured to support communication between the network device and other network entities, such as communication with the network entity or functional unit shown in FIGS. 10 to 20, for example, the communication unit 2103 is configured to support the network device to perform the operation in FIG. Process 1002.
  • the network device may further include a storage unit 2101 for storing program codes and data of the network device.
  • the processing unit 2102 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application-specific integrated circuit (Application-Specific). Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It is possible to implement or carry out the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 2103 can be a transceiver.
  • the storage unit 2101 may be a memory.
  • the network device 2200 can include a processor 2202, a transceiver 2203, and a memory 2201.
  • the transceiver 2203, the processor 2202, and the memory 2201 are connected to each other.
  • the processor may perform the functions of the processing unit 2102, and the transceiver may be similar in function to the communication unit 2103.
  • the memory may be similar to the storage unit 2101.
  • the transceiver 2203 may include a receiver and a transmitter, or may be integrated by a receiver and a transmitter, which is not limited in this application.
  • the steps of a method or algorithm described in connection with the present disclosure may be implemented in a hardware or may be implemented by a processor executing software instructions.
  • the software instructions may be composed of corresponding software modules, which may be stored in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programmable read only memory ( Erasable Programmable ROM (EPROM), electrically erasable programmable read only memory (EEPROM), registers, hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in a network device. Of course, the processor and the storage medium can also exist as discrete components in the network device.
  • the network device may send the first control information to the terminal device to indicate whether the scheduled transmission block is an initial transmission and whether the received signal before the transmission block includes a signal not used for the transmission block decoding. And determining, by the terminal device, whether the received signal before the transport block has an affected signal according to the indication of the first control information, so that the affected signal can be discarded in time when present, which helps to improve the received signal. Reliability, to avoid the problem of unreliable signal reception caused by resource preemption.
  • each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method. To avoid repetition, it will not be described in detail here.
  • the size of the serial numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present invention are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transfer to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL), or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like, including one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).
  • the program can be stored in a computer readable storage medium, when the program is executed
  • the flow of the method embodiments as described above may be included.
  • the foregoing storage medium includes various media that can store program codes, such as a ROM or a random access memory RAM, a magnetic disk, or an optical disk.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé, un dispositif associé et un système de transmission de signal. Le procédé comprend les étapes suivantes : transmission, par un dispositif de réseau, d'un bloc de transmission (TB) à un dispositif terminal, le bloc de transmission étant un bloc de transmission transmis pour la N-ième fois et le bloc de transmission comprenant au moins un bloc de code (CB) ; transmission, par le dispositif de réseau, d'informations de commande au dispositif terminal, les informations de commande comprenant des informations d'identification utilisées pour indiquer un bloc de code dudit bloc de code, les informations de commande étant utilisées pour ordonner au dispositif terminal de rejeter certains signaux ou tous les signaux des premiers signaux reçus et pour ordonner au terminal de recevoir un second signal, le second signal étant utilisé par le dispositif terminal dans le codage du bloc de code indiqué par les informations d'identification, et les premiers signaux rejetés ne pouvant pas être utilisés par le terminal dans le codage du bloc de code indiqué par les informations d'identification. L'utilisation des modes de réalisation de la présente invention augmente la précision lors du codage d'un bloc de code.
PCT/CN2018/075455 2017-02-06 2018-02-06 Procédé, dispositif associé et système de transmission de signal Ceased WO2018141309A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710065784 2017-02-06
CN201710065784.X 2017-02-06
CN201710685928.1A CN108400857B (zh) 2017-02-06 2017-08-11 一种信号发送方法、相关设备及系统
CN201710685928.1 2017-08-11

Publications (1)

Publication Number Publication Date
WO2018141309A1 true WO2018141309A1 (fr) 2018-08-09

Family

ID=63039383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/075455 Ceased WO2018141309A1 (fr) 2017-02-06 2018-02-06 Procédé, dispositif associé et système de transmission de signal

Country Status (1)

Country Link
WO (1) WO2018141309A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI717822B (zh) * 2018-09-06 2021-02-01 大陸商電信科學技術研究院有限公司 多傳輸點資料處理的方法、基地台、使用者終端及電腦可讀存儲介質

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140341050A1 (en) * 2013-05-15 2014-11-20 Qualcomm Incorporated Channel estimate under non-uniform reference signal pattern
CN105979597A (zh) * 2016-06-27 2016-09-28 宇龙计算机通信科技(深圳)有限公司 通信资源的分配方法、分配装置、基站和终端

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140341050A1 (en) * 2013-05-15 2014-11-20 Qualcomm Incorporated Channel estimate under non-uniform reference signal pattern
CN105979597A (zh) * 2016-06-27 2016-09-28 宇龙计算机通信科技(深圳)有限公司 通信资源的分配方法、分配装置、基站和终端

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SAMSUNG: "Summary of E-mail Discussions on Multiplexing eMBB and URLLC in DL", 3GPP TSG-RAN WG1 NR AD-HOC MEETING R1-1700972, 10 January 2017 (2017-01-10), XP051203264 *
SAMSUNG: "TB/CB Handling for eMBB", 3GPP TSG-RAN WG1 NR AD-HOC MEETING R1-1700958, 10 January 2017 (2017-01-10), XP051203251 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI717822B (zh) * 2018-09-06 2021-02-01 大陸商電信科學技術研究院有限公司 多傳輸點資料處理的方法、基地台、使用者終端及電腦可讀存儲介質
US11595179B2 (en) 2018-09-06 2023-02-28 Datang Mobile Communications Equipment Co., Ltd. Method for processing multi-transmission reception point (TRP) data, base station, terminal, and storage medium

Similar Documents

Publication Publication Date Title
EP3550752A1 (fr) Procédé, dispositif, et système de rétroaction
WO2018171605A1 (fr) Procédé de réception d'informations et appareil associé, et procédé d'envoi d'informations et appareil associé
CN108270509B (zh) 发送控制信息的方法和装置及接收控制信息的方法和装置
CN109756979B (zh) 传输信息的方法和通信设备
KR102857916B1 (ko) 무선 통신 방법, 장치 및 통신 시스템
CN108400857B (zh) 一种信号发送方法、相关设备及系统
JP7303378B2 (ja) 物理サイドリンクフィードバックチャネルリソースを決定するための方法及び装置
WO2018171603A1 (fr) Procédé d'envoi de données et appareil associé, et procédé de réception de données et appareil associé
CN109152051B (zh) 一种发送和接收数据的方法和装置
US11224037B2 (en) Data transmission method, terminal device, and network device
WO2018171606A1 (fr) Procédé de réception de données et appareil associé, et procédé d'envoi de données et appareil associé
CN111133817A (zh) 通信方法和装置
WO2018137664A1 (fr) Procédé de transmission, équipement de réseau et équipement terminal
JP7670065B2 (ja) 動作方法および通信デバイス
WO2018228600A1 (fr) Procédé et appareil d'envoi et de réception de données
CN114157400B (zh) 一种码本的处理方法及装置
CN110351748B (zh) 用于行动通信系统的用户装置及基站
US20200067644A1 (en) Data feedback method and related device
WO2018188637A1 (fr) Procédé d'envoi d'informations et appareil associé ainsi que procédé de réception d'informations et appareil associé
CN108270513B (zh) 发送控制信息的方法和装置及接收控制信息的方法和装置
US20230180024A1 (en) Communication method and apparatus
WO2019047193A1 (fr) Procédé d'émission de signal, dispositif et système associés
WO2018121332A1 (fr) Dispositif et procédé de transmission de données et dispositif et procédé de réception de données
WO2018082424A1 (fr) Procédé et appareil de transmission de données
WO2019192500A1 (fr) Procédé de communication et ensemble de communication

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18748174

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18748174

Country of ref document: EP

Kind code of ref document: A1